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Phys.org / Nature's puncture tools reveal shape trade-offs between piercing power and strength
Nature has invented countless types of pointy appendages, and scientists have long sought to explain what makes these structures so effective at puncturing other things. A new study models the key physical characteristics ...
Phys.org / Beavers thrive in river estuaries along North America's northwest coast
Beavers are widespread in estuaries and tidal wetlands in the Pacific Northwest of the United States, demonstrating that they are not restricted to rivers and streams, Gregory Hood at the Skagit River System Cooperative, ...
Medical Xpress / New, improved method to find and isolate the strongest cancer-fighting immune cells
A new platform developed by researchers at the University of Texas MD Anderson Cancer Center quickly finds and isolates rare, tumor-reactive immune cells that are especially good at recognizing and attacking cancer cells, ...
Phys.org / Cave finds reveal modern humans and Neanderthals may have shared long-term cultural continuity
Tens of thousands of years ago, Homo sapiens coexisted with Neanderthals, Homo neanderthalensis. Many of us living today carry a small amount of Neanderthal DNA, indicating that the two species may have shared much more than ...
Phys.org / Hidden jet from a 'missing-link' black hole lights up the radio sky
Astronomers using the U.S. National Science Foundation Very Large Array (NSF VLA) have detected an extraordinary burst of radio light from a rare cosmic event in which an intermediate-mass black hole tears apart a star, revealing ...
Phys.org / Ancient atmospheric oxygen found in iron ore deposits
How do some of geology's most mysterious iron ore deposits form? This question has preoccupied the geosciences for more than a century. An international research team led by Dr. Stefan Peters from the Leibniz Institute for ...
Phys.org / How sea stars build materials that can see
When engineers think about protective materials, like those used in packaging and support, they usually think about strength, stiffness and durability. But what if those same materials could also sense their external environment?
Phys.org / Baseline tool could separate alien life signals from geology on ocean worlds
When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, scientists can be misled because ...
Phys.org / Warm temperatures disrupt spider sex-changing bacteria across generations
A new study reveals that exposing dwarf spiders to a brief period of warm temperatures can disrupt a phenomenon in which internal bacteria normally force genetic males to develop as females. Surprisingly, this reproductive ...
Medical Xpress / 'Parent' blood cells act as a buffer against the effects of aging
As people age, so do their stem cells. Scientists have known for years that the stem cells that go on to become blood cells show significant signs of aging that sometimes lead to leukemia, excessive blood clotting and other ...
Phys.org / Peru Amazon highway tied to 400% dengue surge within 5 kilometers of road
New roads bring changes to the regions they traverse. They can enable job opportunities, access to medicine and health care, and electricity. But they also disrupt local ecosystems and can have surprising consequences for ...
Phys.org / Scientists just measured the smallest possible contacts for future computer chips
The rise of AI has created an almost insatiable appetite for computing power. Training and running AI systems requires vast numbers of transistors, and engineers are now racing to pack more of them onto every chip. With their ...
