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Phys.org / How starfish control tube feet without a central nervous system or brain

Starfish, also known as sea stars, are equipped with an almost alien-like anatomy. Despite lacking a brain, blood, and central nervous system, these odd creatures still have locomotive abilities. The structure of their many ...

11 hours ago in Biology
Tech Xplore / Meet the soft humanoid robot that can grow, shrink, fly and walk on water

Humanoid robots look impressive and have enormous potential to change our daily lives, but they still have a reputation for being clunky. They're also heavy and stiff, and if they fall, they can easily break and injure people ...

11 hours ago in Robotics
Phys.org / Aging populations could cut global water use by up to 31%, study finds

Across the world, water scarcity is emerging as one of the most pressing challenges of the 21st century. Climate change is pushing rivers and aquifers into unprecedented extremes, droughts and floods are intensifying, and ...

12 hours ago in Earth
Medical Xpress / Deep-learning algorithms enhance mutation detection in cancer and RNA sequencing

Researchers from the Faculty of Engineering at The University of Hong Kong (HKU) have developed two innovative deep-learning algorithms, ClairS-TO and Clair3-RNA, that significantly advance genetic mutation detection in cancer ...

3 hours ago in Oncology & Cancer
Tech Xplore / Amorphous passivation strategy creates efficient, durable and flexible perovskite solar cells

Solar cells, devices that convert sunlight into electricity, are helping to reduce greenhouse gas emissions worldwide, promoting a shift toward renewable energy sources. Most solar cells used today are based on silicon, yet ...

12 hours ago in Energy & Green Tech
Medical Xpress / Alcohol-intoxicated, severely injured patients often misdiagnosed, receive less treatment before hospital arrival

Physical trauma is the leading cause of death in young adults. About 1 in 4 patients with multiple trauma is alcohol-intoxicated at the time of injury, typically suffering from a fall or a traffic accident. The medical assessment ...

2 hours ago in Addiction
Phys.org / Toothbrush-activated powder whitens, repairs and protects teeth

Even with regular brushing, teeth can become stained from genetic factors or consuming foods and drinks like tomatoes and coffee. Chemical whiteners can help, but they can also damage teeth in the process. So, researchers ...

8 hours ago in Nanotechnology
Phys.org / The shape of things to come: How spheroid geometry guides multicellular orbiting and invasion

As organisms develop from embryos, groups of cells migrate and reshape themselves to form all manner of complex tissues. There are no anatomical molds shaped like lungs, livers or other tissues for cells to grow into. Rather, ...

7 hours ago in Biology
Phys.org / Mighty microscopic fibers are the key to cell division and life itself

Every second, millions of cells in your body divide in two. In the space of an hour, they duplicate their DNA and grow a web of protein fibers around it called a spindle. The spindle extends its many fibers from the chromosomes ...

7 hours ago in Biology
Phys.org / First carbon-enhanced metal-poor stars discovered in Milky Way's companion

Using the Baryons Oscillation Spectroscopic Survey (BOSS) spectrograph, astronomers have discovered five new carbon-enhanced metal-poor stars in the Large Magellanic Cloud (LMC). This is the first time such stars have been ...

14 hours ago in Astronomy & Space
Phys.org / Microgravity rewires microbial metabolism, limiting space-based manufacturing efficiency

Scientists at the U.S. Naval Research Laboratory (NRL) have completed a spaceflight biology investigation aboard the International Space Station (ISS) that reveals how microgravity fundamentally alters microbial metabolism, ...

8 hours ago in Astronomy & Space
Phys.org / In polar regions, microbes are influencing climate change as frozen ecosystems thaw

Microbes across Earth's coldest regions are becoming more active as glaciers, permafrost and sea ice thaw, accelerating carbon release and potentially amplifying climate change, according to a new international review from ...

7 hours ago in Biology