Science news

• Resilient life

  11-10-2016 23:22 via bbc.co.uk
  
  Scientists begin examining rocks drilled from the crater dug out of Earth's crust by the asteroid impact that killed off the dinosaurs.
  
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• Chicxulub 'dinosaur crater' investigation begins in earnest

  11-10-2016 23:22 via bbc.co.uk
  
  Scientists begin examining rocks drilled from the crater dug out of Earth's crust by the asteroid impact that killed off the dinosaurs.
  
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• New Dwarf Planet Found in Our Solar System

  11-10-2016 22:40
  
  A new face has been added to the solar system's family portrait: Scientists have discovered a new dwarf planet looping around the sun in the region beyond Pluto. The dwarf planet, called 2014 UZ224, measures about 330 miles (530 kilometers) across and is located about 8.5 billion miles (13.7 billion km) from the sun, NPR reported today (Oct. 11). For comparison, Pluto's largest moon, Charon, is about 750 miles (1,200 km) in diameter, and reaches a maximum distance of about 4.5 billion miles (7.3
  
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• Spotting Tiangong-2: How to See China's New Space Lab Overhead

  11-10-2016 22:00
  
  Now is a good time to view China's newly launched space lab. Between Oct. 9 and Oct. 24, Tiangong-2 will be visible across the United States, southern Canada and much of Europe as a morning object, sailing across the sky before sunrise.
  
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• Space center reopens after hurricane, damage in millions

  11-10-2016 21:54
  
  CAPE CANAVERAL, Fla. (AP) — NASA's Kennedy Space Center reopened for business Tuesday, relying on industrial air conditioners rushed in from around the country in the wake of Hurricane Matthew.
  
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• Hezbollah sees more conflict in Syria and rising regional tension

  11-10-2016 21:24
  The leader of Lebanon's Hezbollah movement, Sayyed Hassan Nasrallah, said on Tuesday the Middle East was in a phase of escalating tension and there appeared to be no prospect of a political solution to the war in Syria. "The regional scene is currently one of tension and escalation, and it does not appear that there are paths for negotiations or solutions", he said in a rare live televised speech before thousands of supporters in Beirut. Speaking about Syria, where the Iran-backed group is fight
  
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• [Research Resource] Impaired coordination between signaling pathways is revealed in human colorectal cancer using single-cell mass cytometry of archival tissue blocks

  11-10-2016 20:41 via stke.sciencemag.org
  A single-cell analytical approach in the clinic may lead to more effective treatment strategies for cancer patients.
  
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• [Research Article] Pressure-induced oxidative activation of PKG enables vasoregulation by Ca2+ sparks and BK channels

  11-10-2016 20:41 via stke.sciencemag.org
  Constriction of small-diameter arteries triggers a signaling pathway that causes their dilation.
  
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• [Research Article] Lipoarabinomannan binding to lactosylceramide in lipid rafts is essential for the phagocytosis of mycobacteria by human neutrophils

  11-10-2016 20:41 via stke.sciencemag.org
  Mycobacterial-specific glycolipids determine pathogenesis after the mycobacteria are engulfed by human neutrophils.
  
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• [Focus] Oxidant signaling underlies PKGIa modulation of Ca2+ sparks and BKCa in myogenically active arterioles

  11-10-2016 20:41 via stke.sciencemag.org
  Small arteries react to constriction by producing reactive oxygen species that alter Ca2+ signaling (Khavandi et al., in 11 Oct 2016 issue).
  
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• [Editors' Choice] Targeting nuclear export in cancer

  11-10-2016 20:41 via stke.sciencemag.org
  KRAS mutant lung cancer cells are sensitive to inhibition of the nuclear exporter XPO1.
  
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• [Editors' Choice] New connections: Detecting tumor-specific signaling

  11-10-2016 20:41 via stke.sciencemag.org
  Technology development enables researchers to help clinicians optimize treatment by understanding tumor cell-specific changes in signaling pathways.
  
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• [Editors' Choice] Multiple paths spread toxic α-synuclein aggregates

  11-10-2016 20:41 via stke.sciencemag.org
  Oligomeric α-synuclein can enter cells through receptor-mediated endocytosis and can be transferred between cells through nanotubes.
  
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• [Editors' Choice] Inhibit PIM to inhibit PI3K

  11-10-2016 20:41 via stke.sciencemag.org
  Combination therapy inhibiting the kinase PIM sensitizes breast tumors to PI3K inhibitors.
  
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• Pentagon hints at possible retaliation after Yemen missile fire

  11-10-2016 20:23
  By Phil Stewart and Idrees Ali WASHINGTON (Reuters) - The Pentagon on Tuesday warned that whoever fired missiles at a U.S. Navy destroyer and an accompanying ship off the coast of Yemen over the weekend had done so "at their own peril," language that suggested preparations for possible retaliation. Two shore-launched cruise missiles, which U.S. officials believe were designed to hit vessels at sea, were fired at the U.S. Navy ships on Sunday from Houthi-controlled territory of Yemen, just north
  
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• Surprise! 3 Planet-Forming Disks Spotted Around Young Double Star

  11-10-2016 20:01
  
  Three distinct planet-forming disks, all of which are misaligned with one another, revolve around two newborn stars in a binary system about 400 light-years from Earth, a new study reports. "The two newly formed stars are both the size of our sun, and they each have a rotating disk of gas and dust similar to the size of our solar system," study lead author Christian Brinch, an assistant professor at the Niels Bohr Institute at the University of Copenhagen, said in a statement. "In addition, they
  
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• Ivorian parliament OKs looser nationality rule for presidential candidates

  11-10-2016 19:47
  Ivory Coast's parliament on Tuesday approved changing the constitution to ease nationality rules for presidential candidates, a move the government says will end prolonged instability but which the opposition says is undemocratic. Ouattara promised during his re-election campaign last year to remove the constitution's requirement for presidential candidates to have parents who are both native-born Ivorians - a sore point in a country that has long attracted immigrants from neighbouring states in
  
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• Obama says work has begun on habitats to help humans reach Mars

  11-10-2016 19:33
  
  WASHINGTON (Reuters) - U.S. President Barack Obama, highlighting his pledge to send people to Mars by the 2030s, on Tuesday announced further public-private efforts to build habitats that could help humans live long-term far from the Earth.
  
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• Clinton brings in Gore as closer on climate change

  11-10-2016 19:32
  
  DES MOINES, Iowa (AP) — Hillary Clinton is bringing in Al Gore as her closer on climate change as she struggles to appeal to young voters who consider the issue a priority.
  
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• [Erratum] Erratum for the Research Article: "Targeting the kinase activities of ATR and ATM exhibits antitumoral activity in mouse models of MLL-rearranged AML" by I. Morgado-Palacin, A. Day, M. Murga, V. Lafarga, M. E. Anton, A. Tubbs, H.-T. Chen, A. Erg

  11-10-2016 19:28 via stke.sciencemag.org
  An author's last name is corrected and middle initial is inserted. A closing parenthesis in a sentence in the Abstract has also been added.
  
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• [Erratum] Erratum for the Research Article: "Peripheral motor neuropathy is associated with defective kinase regulation of the KCC3 cotransporter" by K. T. Kahle, B. Flores, D. Bharucha-Goebel, J. Zhang, S. Donkervoort, M. Hegde, G. Hussain, D. Duran, B.

  11-10-2016 19:28 via stke.sciencemag.org
  An author's name is corrected.
  
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• Facebook bans technician who tattoos nipples and areolas for breast cancer survivors

  11-10-2016 18:50 via cbc.ca
  
  A technician who tattoos nipples and areolas for breast cancer survivors has been banned from Facebook for posting images of her work on the site. But, London, Ontario's Margeaux Collyer says she isn't breaking the site's policy.
  
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• US to work with private firms on Mars plan

  11-10-2016 18:12 via bbc.co.uk
  
  President Barack Obama says the US will work with private companies on its plan to send humans to Mars in the 2030s.
  
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• Nighttime Launch of Private Cargo Ship Visible Along US East Coast on Friday

  11-10-2016 18:06
  
  A private rocket launch from Virginia's Eastern Shore on Friday night (Oct. 14) could be visible to potentially millions of skywatchers along the U.S. East Coast, weather permitting. A two-stage Antares rocket developed by Orbital ATK will loft an uncrewed Cygnus cargo ship into orbit at 8:51 p.m. EDT on Friday night. The rocket will launch from Pad 0A of the Mid-Atlantic Regional Spaceport (MARS) located on Wallops Island, Virginia.
  
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• New High-Tech Friendship Bracelets Teach Kids How to Code

  11-10-2016 17:21
  
  Friendship bracelets have been a mainstay of middle-school fashion for decades. A new product called Jewelbots aims to elevate friendship bracelets from fashionable status symbols to an interactive, educational tool that teaches kids to code. The bracelet's coding aspect was always the primary goal for Jewelbots co-founders Sara Chipps and Brooke Moreland.
  
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• Twitter CEO moves to rally his troops as takeover rumours fester

  11-10-2016 17:02 via cbc.ca
  
  Twitter's CEO moved to rally his troops at the social media company on Tuesday even as rumours of a takeover begin to stagnate.
  
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• Florida hopes quarantine and irradiated flies stop screwworm

  11-10-2016 16:58
  
  KEY LARGO, Fla. (AP) — A narrow ribbon of road linking the Florida Keys with the mainland is the front line in a renewed fight against maggots that can eat livestock and pets alive.
  
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• Ex-PM Maliki making comeback as Iraq's most powerful man

  11-10-2016 16:53
  By Ahmed Rasheed and Maher Chmaytelli BAGHDAD (Reuters) - Nuri al-Maliki is once again positioning himself as Iraq's most powerful man, poised to return as kingmaker in a fight for influence that could decide Iraq's fate as a unified country after the coming battle to recapture Mosul from Islamic State. Two years after he was pressured to leave office by both the United States and Iran for failing to stop Islamic State fighters from sweeping across the country, the former prime minister still le
  
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• Obama wants to send people to Mars by 2030s

  11-10-2016 16:48
  Barack Obama has vowed to help send people to Mars within the next two decades, working with private companies to achieve his goal. "We have set a clear goal vital to the next chapter of America's story in space: sending humans to Mars by the 2030s and returning them safely to Earth, with the ultimate ambition to one day remain there for an extended time," Mr Obama said. In an opinion piece for CNN, the President said involving private companies is crucial.
  
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• US Will Send People to Mars by 2030s, Barack Obama Says

  11-10-2016 16:46
  
  President Barack Obama wants NASA to send astronauts to Mars by the 2030s and eventually into deep space, he wrote in a CNN op-ed published today (Oct. 11). "We have set a clear goal vital to the next chapter of America's story in space: sending humans to Mars by the 2030s and returning them safely to Earth, with the ultimate ambition to one day remain there for an extended time," Obama wrote in the op-ed. The president went on to discuss government partnerships with commercial partners to "buil
  
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• Why You Shouldn't Do a Hard Workout When You're Upset

  11-10-2016 16:34
  
  The heart can only take so much — and a new study suggests that the combination of strenuous exercise and high emotions may be too much for it to bear. The researchers also looked at exercise and emotional stress individually, to see if each factor, on its own, would affect the risk of heart attack. Although regular physical activity has many benefits, including heart disease prevention, the researchers said they "would recommend that a person who is angry or upset [and] who wants to exerc
  
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• Debate 2016: What Goes on in Your Brain When People Invade Your Space

  11-10-2016 16:33
  
  Donald Trump stood very closely behind Hillary Clinton at times during the second presidential debate, held in St. Louis Sunday, prompting some to argue that he was invading her personal space. While scientists have long known that personal space exists — and that an invasion of personal space can make people feel uncomfortable — it's only recently that scientists have started to understand what's going on in the brain when someone stands too close. It turns out that it's a very basi
  
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• The 'Big One' near Vancouver you may not know about

  11-10-2016 16:29 via cbc.ca
  
  A magnitude 7.0 crustal earthquake, with an epicentre very close to Victoria and Vancouver, has a one in five chance of occuring in the next 50 years.
  
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• Zika 'syndrome': Health problems mount as babies turn 1

  11-10-2016 16:13
  
  Two weeks shy of his first birthday, doctors began feeding Jose Wesley Campos through a nose tube because swallowing problems had left him dangerously underweight. Learning how to feed is the baby's latest ...
  
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• Obama vows to send people to Mars by the 2030s

  11-10-2016 15:54 via cbc.ca
  
  U.S. President Barack Obama on Tuesday vowed to help send people to Mars within the next 15 years, pledging to work with private companies to "to build new habitats that can sustain and transport astronauts on long-duration missions in deep space."
  
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• 25 New 'Dead Sea Scrolls' Revealed

  11-10-2016 15:12
  
  More than 25 previously unpublished "Dead Sea Scroll" fragments, dating back 2,000 years and holding text from the Hebrew Bible, have been brought to light, their contents detailed in two new books. Scholars have expressed concerns that some of the fragments are forgeries.
  
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• Who is Ada Lovelace and why is she an important role model for women today?

  11-10-2016 14:22
  
  Let’s celebrate the achievements of women working in STEM on Ada Lovelace day.
  
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• Dolphin pictured killing porpoise by flipping it into air

  11-10-2016 13:47 via bbc.co.uk
  
  A bottlenose dolphin is pictured flipping a porpoise into the air in a deadly attack.
  
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• Should We Launch a Kid to Space?

  11-10-2016 13:01
  
  On Aug. 6, 1961, cosmonaut Gherman Titov became the second person ever to orbit the Earth. About 550 other people have slipped Earth's surly bonds since Titov's trip, but not one of them has been younger. Mike Mongo wants this record book to be rewritten, and soon.
  
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• Project Blue: Private Space Telescope to Hunt for Alien Earth at Alpha Centauri

  11-10-2016 13:01
  
  A new initiative called "Project Blue" aims to spy on our interstellar neighbor, Alpha Centauri, to capture an unprecedented visible-light image of any Earth-like planets that might orbit there. The two stars of Alpha Centauri, along with the associated red dwarf star Proxima Centauri, are the closest stars outside our solar system — and the Alpha Centauri stars are by far the closest sun-like stars to Earth's system. "There is an extremely high level of urgency and desire on the part of t
  
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• The Next Zika

  11-10-2016 13:00 via rss.sciam.com
  
  Four biting insect–borne viruses that you may not have heard about are now worrying researchers
  -- Read more on ScientificAmerican.com
  
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• Superflexible, 3-D printed “bones” trigger new growth

  11-10-2016 13:00
  
  New ultraflexible material could be the future of bone repair, but awaits human testing.
  
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