Science news

• Size matters to lizards, but numbers may not

  14-04-2017 22:00
  
  Scientists have sized up the quantitative abilities of lizards and found that reptiles may not be as good with numbers as other vertebrates.
  
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• Shock-absorbing spear points kept early North Americans on the hunt

  14-04-2017 21:15
  
  Ancient Americans invented a way to make spear points last on an unfamiliar continent.
  
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• Apple to test self-driving car technology in California

  14-04-2017 20:14 via cbc.ca
  
  Apple will begin testing self-driving car technology in California, its first public move into a highly competitive field that could radically change transportation.
  
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• Smartphone-related neck pain on the increase

  14-04-2017 17:49 via cbc.ca
  
  Spine surgeons are noticing an increase in patients with neck and upper back pain, likely related to poor posture during prolonged smartphone use, according to a recent report.
  
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• New particle probably can’t explain nuclear reactor neutrino mystery

  14-04-2017 15:38
  
  An antineutrino anomaly seems due to problems with scientists’ predictions, not sterile neutrinos.
  
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• More than one ocean motion determines tsunami size

  14-04-2017 13:00
  
  The horizontal movement of the seafloor during an earthquake can boost the size of the resulting tsunami, researchers propose.
  
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• Our Ability to Keep 'em Guessing Peaks around Age 25

  14-04-2017 12:30 via rss.sciam.com
  
  When it comes to abilities like outwitting foes, younger people are simply better at responding in novel situations
  -- Read more on ScientificAmerican.com
  
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• [Editors' Choice] NLS protects DNA damage protein

  14-04-2017 11:18 via stke.sciencemag.org
  A single motif targets a protein to the nucleus and directs its deubiquitylation, promoting high-fidelity DNA damage repair.
  
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• [Editors' Choice] Hippo-sized antiviral defenses

  14-04-2017 11:18 via stke.sciencemag.org
  The Hippo signaling pathway modulates the strength of antiviral responses according to nutritional status or cell density.
  
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• Understanding money reduces worry about old age

  14-04-2017 06:00
  
  (Hiroshima University) People who possess a greater understanding of finance are less likely to fret about life in their twilight years. They are also able to face off later-life's dilemmas with ease.As the first study to investigate financial literacy as a contributing factor to anxiety about old age, it should prove useful to policy makers in developed countries where population aging is a growing concern.
  
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• Th17 cells could facilitate wider clinical use of adoptive immunotherapy

  14-04-2017 06:00
  
  (Medical University of South Carolina) Medical University of South Carolina (MUSC) investigators report that long-term expansion protocols for adoptive cancer immunotherapy do not compromise Th17 cells' effectiveness against large tumors, in the March 9, 2017 issue of JCI Insight. This finding is important because rapid expansion protocols that are used to produce sufficient CD8+ T cell numbers for adoptive cell therapy (ACT) degrade their effectiveness. These findings underscore that Th17 cell
  
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• Study unravels long-held Fermi puzzle tied to nonlinear systems

  14-04-2017 06:00
  
  (University at Buffalo) Nonlinear systems can indeed reach equilibrium, according to new research from an international team of physicists. The work has implications in materials science and other fields.
  
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• SAVI camera ditches long lens for distant images

  14-04-2017 06:00
  
  (Rice University) Rice, Northwestern collaboration has yielded a camera platform that uses laser 'speckle' patterns to capture high-resolution images from a distance without telescopic lenses.
  
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• Researchers design coatings to prevent pipeline clogging

  14-04-2017 06:00
  
  (Massachusetts Institute of Technology) A new coating developed at MIT could prevent methane clathrate clogs and blowouts in oil pipelines.
  
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• Research suggests bans on trans fats linked to healthier communities

  14-04-2017 06:00
  
  (University of Chicago Medical Center) People living in areas that restrict trans fats in foods had fewer hospitalizations for heart attack and stroke compared to residents in areas without restrictions, according to a new study conducted by researchers at the University of Chicago Medicine and Yale School of Medicine.
  
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• Opioid use disorder in pregnancy -- medication treatment improves outcomes for mothers and infants

  14-04-2017 06:00
  
  (Wolters Kluwer Health) Medication for addiction treatment (MAT) with buprenorphine or methadone is an appropriate and accepted treatment for pregnant women with opioid use disorder (OUD), according to a research review and update in the Journal of Addiction Medicine, the official journal of the American Society of Addiction Medicine (ASAM). The journal is published by Wolters Kluwer.
  
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• NASA sees central and south Philippines bracing for Tropical Depression 02W

  14-04-2017 06:00
  
  (NASA/Goddard Space Flight Center) NASA's Terra satellite passed over newly developed Tropical Depression 02W as it formed east of the central and southern Philippines in the Philippine Sea early on April 14.
  
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• NASA examines New Zealand's extreme rainfall as Cyclone Cook's remnants move away

  14-04-2017 06:00
  
  (NASA/Goddard Space Flight Center) Two extra-tropical cyclones recently dropped very heavy rain over New Zealand, Debbie and Cook. As Cook's remnants continue to move away, NASA analyzed the heavy rainfall generated from the double extra-tropical punch.
  
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• Low-income children missing out on language learning both at home and at school

  14-04-2017 06:00
  
  (New York University) Children from poor neighborhoods are less likely to have complex language building opportunities both in home and at school, putting them at a disadvantage in their kindergarten year, finds a new study led by NYU Steinhardt School of Culture, Education, and Human Development.
  
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• Hubble sees starbursts in Virgo

  14-04-2017 06:00
  
  (NASA/Goddard Space Flight Center) Starburst galaxies contain regions where stars are forming at such a breakneck rate that the galaxy is eating up its gas supply faster than it can be replenished.
  
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• High stakes, high risk, and a bad bet

  14-04-2017 06:00
  
  (Kyoto University) Gambling addiction is a mental disorder characterized by excessive risk-taking despite negative results. Scientific studies using functional MRI have previously shown that addicts have altered activity in brain regions related to risk and reward, making them prone to prefer risky choices. New fMRI research conducted at Kyoto University has now found another explanation for the unhealthy bent: addicts have a poor ability to assess and adapt to high risk situations. The study ap
  
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• Helping students learn by sketching

  14-04-2017 06:00
  
  (Northwestern University) New software Sketch Worksheets analyzes and provides feedback on student sketches, helping them learn multiple subjects.
  
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• ENN Group becomes MIT Energy Initiative member to advance energy storage technologies

  14-04-2017 06:00
  
  (MIT Energy Initiative) Recognizing the critical need for scalable energy storage solutions to develop regional energy systems in China, ENN Group of China has joined the MIT Energy Initiative (MITEI) to advance research in this area. With a three-year membership agreement, the ENN Group will participate in MITEI's Center for Energy Storage Research.
  
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• Drop of mock B61-12 is first of new flight tests

  14-04-2017 06:00
  
  (DOE/Sandia National Laboratories) The drop of a mock nuclear weapon on Tonopah Test Range in Nevada marked the start of a new series of test flights vital to the nation's B61-12 weapon refurbishment program.
  
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• Computers create recipe for two new magnetic materials

  14-04-2017 06:00
  
  (Duke University) Material scientists have predicted and built two new magnetic materials, atom-by-atom, using high-throughput computational models. The success marks a new era for the large-scale design of new magnetic materials at unprecedented speed.
  
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• 3-D-printed patch can help mend a 'broken' heart

  14-04-2017 06:00
  
  (University of Minnesota) A team of biomedical engineering researchers, led by the University of Minnesota, has created a revolutionary 3-D-bioprinted patch that can help heal scarred heart tissue after a heart attack. The discovery is a major step forward in treating patients with tissue damage after a heart attack.
  
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• 3-D-printed model of stenotic intracranial artery enables vessel-wall MRI standardization

  14-04-2017 06:00
  
  (Medical University of South Carolina) A phantom of a stenotic artery 3-D-printed by the University of Massachusetts using imaging sequences from a patient at the Medical University of South Carolina is enabling a global collaborative of US, Canadian and Chinese researchers to standardize high-resolution MRI protocols for intracranial atherosclerotic disease, the number one cause of stroke worldwide. This work sets the stage for using high-resolution MRI to assess stroke risk and for conducting
  
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• [Working Life] Skiing for science

  14-04-2017 02:00
  Author: Daniel T. Blumstein
  
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• [This Week in Science] Transporter layers for greater stability

  14-04-2017 02:00
  Author: Phil Szuromi
  
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• [This Week in Science] The negative impact of EU enlargement

  14-04-2017 02:00
  Author: Aaron Clauset
  
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• [This Week in Science] The evolving Ebola virus host response

  14-04-2017 02:00
  Author: Lindsey Pujanandez
  
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• [This Week in Science] Targeting nonviral antigens in viral-driven cancer

  14-04-2017 02:00
  Author: Priscilla N. Kelly
  
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• [This Week in Science] Stitching one alkyl group to another

  14-04-2017 02:00
  Author: Jake Yeston
  
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• [This Week in Science] Stitching a belt out of carbon rings

  14-04-2017 02:00
  Author: Jake Yeston
  
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• [This Week in Science] Regulatory T cells sans FoxP3

  14-04-2017 02:00
  Author: Anand Balasubramani
  
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• [This Week in Science] Refined understanding of the preprophase band

  14-04-2017 02:00
  Author: Pamela J. Hines
  
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• [This Week in Science] Quantifying hunting-induced defaunation

  14-04-2017 02:00
  Author: Sacha Vignieri
  
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• [This Week in Science] One antibody for all and all antibodies for one

  14-04-2017 02:00
  Author: Caroline Ash
  
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• [This Week in Science] Nucleosomes in contact

  14-04-2017 02:00
  Author: Valda Vinson
  
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• [This Week in Science] Making an unbiased library

  14-04-2017 02:00
  Author: Valda Vinson
  
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• [This Week in Science] Machines learn what people know implicitly

  14-04-2017 02:00
  Author: Gilbert Chin
  
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• [This Week in Science] In vitro embryogenesis

  14-04-2017 02:00
  Author: Beverly A. Purnell
  
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• [This Week in Science] Hydrothermal processes on Enceladus

  14-04-2017 02:00
  Author: Keith T. Smith
  
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• [This Week in Science] How the flagellum knows when to stop

  14-04-2017 02:00
  Author: Stella M. Hurtley
  
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• [This Week in Science] Crustal rock strength from outer space

  14-04-2017 02:00
  Author: Brent Grocholski
  
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• [This Week in Science] Coupling transcription and translation

  14-04-2017 02:00
  Author: Valda Vinson
  
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• [This Week in Science] An earthquake with a dozen faults

  14-04-2017 02:00
  Author: Brent Grocholski
  
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• [This Week in Science] Adding a twist for enhanced performance

  14-04-2017 02:00
  Author: Ian S. Osborne
  
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• [This Week in Science] A target for preventing kidney damage

  14-04-2017 02:00
  Author: Annalisa VanHook
  
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• [Review] Transition metal–catalyzed alkyl-alkyl bond formation: Another dimension in cross-coupling chemistry

  14-04-2017 02:00
  Because the backbone of most organic molecules is composed primarily of carbon-carbon bonds, the development of efficient methods for their construction is one of the central challenges of organic synthesis. Transition metal–catalyzed cross-coupling reactions between organic electrophiles and nucleophiles serve as particularly powerful tools for achieving carbon-carbon bond formation. Until recently, the vast majority of cross-coupling processes had used either aryl or alkenyl electrophiles as
  
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