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Biology news
Human hair grows through 'pulling' not pushing, study shows
Scientists have found that human hair growth does not grow by being pushed out of the root; it's actually pulled upward by a force associated with a hidden network of moving cells. The findings challenge decades of textbook ...
Cell & Microbiology
14 hours ago
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New massive duck-billed dinosaur species identified
There's a new dinosaur species on the block. An international team, including a biologist from Penn State Lehigh Valley, discovered that a 75-million-year-old fossil classified as a different dinosaur is its own massive, ...
Paleontology & Fossils
5 hours ago
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Penguins likely starved to death en masse: Populations off South Africa may have fallen 95% in just 8 years
Penguins living off the coast of South Africa have likely starved to death en masse during their molting season as a result of collapsing food supplies.
Plants & Animals
2 hours ago
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Nanotyrannus was not a juvenile T. rex, new study confirms
For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a separate species or simply a juvenile Tyrannosaurus rex? A new paper published in Science has definitively ...
Paleontology & Fossils
7 hours ago
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15
Scientists capture first detailed look inside droplet-like structures of compacted DNA
Inside human cells, biology has pulled off the ultimate packing job, figuring out how to fit six feet of DNA into a nucleus about one-tenth as wide as a human hair while making sure the all-important molecules can still function.
Cell & Microbiology
7 hours ago
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New statistical tools sharpen the search for causal DNA changes in livestock
Researchers at North Carolina State University have developed a new suite of statistical methods that dramatically improves the ability to pinpoint DNA changes responsible for important traits in livestock. The work addresses ...
Molecular & Computational biology
7 hours ago
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Increasing plant diversity in agricultural grasslands boosts yields, reducing reliance on fertilizer
Higher plant diversity in agricultural grasslands increases yields with lower inputs of nitrogen fertilizer. That is the headline finding of a landmark, international study led by Trinity College Dublin that paints a promising ...
Ecology
7 hours ago
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'Free-range' dinosaur parenting may have created surprisingly diverse ancient ecosystems
Picture a baby Brachiosaurus the size of a golden retriever, hunting for food with its siblings while dodging predators that would happily eat it. Meanwhile, its parents—towering over 40 feet tall—are dozens of miles ...
Ecology
9 hours ago
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Discovery could give investigators a new tool in death investigations
A discovery by FIU researchers could help forensic investigators close the gap on estimating the time of a person's death.
Molecular & Computational biology
5 hours ago
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1
Eyes for an agricultural robot: AI system identifies weeds in apple orchards
Weed control is essential in apple orchards because weeds compete with trees for nutrients, water and sunlight, which can reduce fruit yields. However, physically removing weeds is not only labor-intensive, but it also can ...
Biotechnology
9 hours ago
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Unbee-lievable: Botswana elephants not easily fooled as scientists seek solution to human-elephant conflict
In Botswana, coexisting with the country's 130,000 elephants can be a daily negotiation. For rural families, tending a crop means hoping these "gentle giants" don't wander through and cause damage while searching for food ...
Plants & Animals
11 hours ago
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New molecular view of cholera 'tail' could inform better treatment
Cholera is a deadly bacterial disease that kills about 95,000 people every year. Vibrio cholerae bacteria infect cells in the small intestine, which the bacteria can do in part due to their flagella—powerful tail-like structures ...
Cell & Microbiology
10 hours ago
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Q&A: Why understanding stem cells is the root of treating diseases from psoriasis to cancer
Your skin is in a constant state of reinvention. Every month, your body sheds and regenerates its entire outer layer—a complete turnover powered by tiny, tireless stem cells. These same cells spring into action when you ...
Cell & Microbiology
6 hours ago
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Ultrasonic pest control can protect beehives
Bees, and other pollinator species, are dying. Between pesticides, the climate crisis, and habitat loss, bee colonies are becoming weaker, leaving them more vulnerable to parasites like the greater and lesser wax moths. Vulnerable ...
Ecology
6 hours ago
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The microbiome of an entire country mapped for the first time
An international research team led by Aalborg University with contributions from the University of Vienna has systematically mapped the microbiome of an entire country for the first time. In the study "Microflora Danica," ...
Ecology
11 hours ago
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1
Jaw versatility enabled the ecological success of amniotes, paleontologists find
New research conducted by paleontologists from the Museum für Naturkunde Berlin (MfN) and Humboldt-Universität zu Berlin reveals a burst in jaw variety in the earliest amniotes—which includes the ancestors of all reptiles, ...
Evolution
11 hours ago
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Receptor with 'rubber band' paves way for new pain and cancer drugs
The human P2X4 receptor plays an important role in chronic pain, inflammation and some types of cancer. Researchers at the University of Bonn and the University Hospital Bonn (UKB) have now discovered a mechanism that can ...
Cell & Microbiology
11 hours ago
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For the first time, researchers observe how influenza viruses infect living cells
The flu illness is triggered by influenza viruses, which enter the body through droplets and then infect cells. Researchers from Switzerland and Japan have now investigated the flu virus in minute detail.
Cell & Microbiology
13 hours ago
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1
Waste management in spider mites reveals evolutionary insights into arthropod social behavior
Researchers at University of Tsukuba have discovered the adaptive significance of the remarkable waste-management behavior in the social spider mite Stigmaeopsis longus, a tiny herbivorous arthropod that lives in cooperative ...
Evolution
12 hours ago
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37
Researchers find promising adaptations to climate change in tropical forests
As tropical forests experience chronic drying and more extreme droughts due to climate change, some plants are adapting by growing longer root systems to reach water deep within soils, according to a study published in November ...
Plants & Animals
7 hours ago
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Fearless frogs feast on deadly hornets
High-resolution GlyT2 structures point to non-opioid analgesic options
What happens to eagles after rehab?
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A solid-state quantum processor based on nuclear spins
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Free climbers discover remnants of ancient sea turtle stampede in Italy
Electrical oscillations in microtubules link cytoskeleton to neuronal signaling
Research reveals atypical Santas can succeed
