Biohacker Bryan Johnson claims ice packs boost male fertility: Does science agree?

Bryan Johnson, a longevity influencer, claims that icing his testicles greatly increases his sperm count. His unique approach has inspired several Redditors to experiment with this method for improving fertility. Although some research hints at the benefits of mild scrotal cooling for male fertility, experts caution that there is insufficient evidence to suggest significant improvements in testosterone or overall sperm production.

Zainab Nathani has created a groundbreaking solar-powered material capable of drawing potable water from the moisture in the air. This remarkable innovation garnered her recognition at the Regeneron International Science and Engineering Fair. Additionally, she established a program to support the development of clean water wells abroad. Nathani’s work elegantly fuses scientific advancements with dedicated advocacy for accessible water worldwide, aiming to tackle critical water access issue

In Africa, wild honeyguides have showcased their remarkable ability to identify specific human calls, making them indispensable allies for honey hunters searching for concealed bee nests. Recent studies reveal that these birds are more responsive to local calls than to those from outsiders. This finding implies the evolution of a sophisticated communication system honed through generations, facilitating the birds' survival by guiding them to beeswax.

The introduction of the invasive flatworm, Platydemus manokwari, aimed at pest control, has resulted in a dramatic decline of native tree snail populations in the Pacific Islands. This aggressive predator actively hunts these snails, driving several species towards extinction. Following previous unsuccessful biological control attempts, federal data now labels these native snails as endangered or threatened, prompting strict biosecurity measures to halt the invasion of this detrimental species.

European hedgehogs were brought to New Zealand during the 1800s to help manage garden pests. However, these spiky creatures now pose a grave danger to the country's unique wildlife. They feast on the eggs and young of various native species, significantly impacting fragile ecosystems, particularly those involving ground-nesting birds. As a result, ongoing conservation initiatives are prioritizing hedgehog removal to protect these threatened populations.

Under ultraviolet light, adult fire salamanders reveal a captivating blue-green fluorescence generated by their skin secretions, lasting for several hours. This striking luminescence is mainly concentrated in areas rich in glands, especially along their flanks and underside. Researchers propose that this unique trait could serve functions in communication or as a warning signal, enhancing our understanding of the fire salamander's biology.

The study from the University of California, Riverside, found that two common ant-bait insecticides can cause very different changes in Argentine ant behaviour before the ants die. Thiamethoxam made affected ants unusually active and sent them roaming outside the nest, while boric acid caused ants to stop foraging and gather inside. The findings show that unusual ant activity after treatment does not necessarily mean the pesticide has failed.

Henrietta Lacks' cervical cancer cells became immortal, revolutionizing biomedical research and medical advancements.These HeLa cells were vital for developing the polio vaccine and studying various diseases.Her family remained unaware of this scientific breakthrough for decades after her death.The story highlights critical ethical debates concerning patient consent and financial benefits.This legacy continues to shape discussions on scientific progress and human dignity.

A recent study from the University of Delhi reveals that mosquitoes, particularly Aedes aegypti, may be becoming less susceptible to the widely-used insecticide alpha-cypermethrin. Laboratory results indicate a small reduction in the insecticide's effectiveness, and researchers discovered specific enzymes aiding in its breakdown. These findings underscore the necessity for diverse mosquito management techniques to ensure continued success in pest control efforts.

Max Hung Nguyen utilized NASA data alongside the Hypatia Catalogue to conduct an in-depth analysis of stellar composition. By examining a variety of elements beyond just iron, he uncovered that giant planets tend to orbit stars enriched with heavy elements. To further this research, Nguyen developed an AI model dedicated to predicting absent elemental data, significantly enhancing the chances of discovering new planets in future explorations.

Kiefer and Amelia Chow have launched Eco-Engineering In Action, an initiative aimed at mitigating wildfire threats. By creating beaver dam analogues, they replicate natural flood control systems that effectively slow water flow, enhance wetlands, and reduce wildfire risks. Their efforts, driven by youth volunteers, have successfully restored over thirty-five acres of wetland, inspiring the next generation to actively engage in climate solutions.

NASA's aerial teams are conducting studies on distinctive pyrocumulonimbus clouds formed by wildfires in Utah. These impressive smoke formations elevate particles high into the atmosphere, with scientific teams collecting samples from around twelve kilometers above ground. This research sheds light on the interaction between fires and weather patterns, enhancing our understanding of smoke's extended influence on global atmospheric conditions.

In a groundbreaking study, young scholar Miles Wu delves into the use of origami techniques for emergency shelters. He meticulously examined fifty-four variations of the Miura-ori pattern and discovered that some designs could withstand more than nine thousand times their own weight. This ancient art form uncovers new possibilities for portable disaster relief structures. Wu’s research underscores the importance of geometric principles in enhancing the efficiency of materials.

Smithsonian scientists are utilising cutting-edge methods to identify turtle nesting sites, revealing that numerous nests fall prey to predators shortly after egg deposition. This alarming finding signals a crucial risk to the Eastern box turtle population. By monitoring turtle movements and nesting patterns, the research seeks to illuminate survival rates, which is vital for effective conservation initiatives.

Nasa is backing a new concept for small flying robots to explore caves on Saturn's moon Titan. These proposed vehicles, called aerobots, would use silent electrohydrodynamic thrusters for movement. Titan's dense atmosphere could make this propulsion system highly efficient and practical for exploration. The SPARK project is currently in an early research phase, focusing on feasibility studies. This technology could significantly expand future exploration of Titan's hidden underground environment

Researchers are enhancing ketchup by incorporating protein extracted from microalgae. This exciting advancement greatly increases the protein levels in this beloved condiment. Studies showed that adding moderate amounts of algae preserved the familiar taste and look of ketchup, while excessive levels changed its flavor and hue. Microalgae represent a sustainable, effective method for enriching food with vital proteins.

Rohan Naidu, an astronomer from Hyderabad, is making significant contributions to our understanding of the early universe. His recent study focuses on a cosmic dawn object that reveals a supermassive black hole enveloped by dense gas. This important research not only sheds light on the rapid growth of early black holes but may also provide insights into the enigmatic 'little red dots' recently detected by the Webb telescope.

Researchers in Michigan have helped bring the Poweshiek skipperling butterfly back from the brink of extinction after its US wild population fell to just nine in 2022. Through captive breeding, habitat restoration and carefully planned releases, more than 1,300 butterflies were released in 2025. The recovery effort has now expanded to other endangered butterflies, while restored prairie habitats are helping support wider ecosystems.

In a groundbreaking study, researchers have engineered hydrogels derived from natural resources designed to absorb moisture from the atmosphere. These advanced sorbents can capture water vapour even in arid environments. By applying gentle heat, the collected water can be released, creating a highly energy-efficient process. This innovative technology paves the way for sustainable drinking water production from air, potentially benefiting remote communities with portable water collectors.

In 1987, British naturalist Ian Bullock established Aride Island as a key conservation hub. His initiative led to the successful relocation of endangered Seychelles warblers the following year, significantly bolstering the species' numbers and preventing potential extinction. Today, their population thrives, and Bullock's innovative conservation methods are now standard practices in island ecosystem management.

After years of protection from whaling, whale populations are gradually reclaiming their ancestral habitats, with sightings of blue and fin whales showing remarkable growth since 2012. While these majestic creatures are bouncing back from the catastrophic effects of 20th-century whaling, they continue to face threats from modern human activity and pollution. Ongoing conservation efforts and monitoring are crucial for ensuring their future prosperity.