In death of dinosaurs, it was all about the asteroid—not volcanoes
Volcanic activity did not play a direct role in the mass extinction event that killed the dinosaurs, according to an international, Yale-led team of...
Microscopy technique reveals cells’ 3-D ultrastructure in new detail
Inside a cell, tentacled vesicles shuttle cargo for sorting. DNA rearranges in the nucleus as stem cells differentiate into neurons. Neighboring neurons cling to...
‘Living fossil’ may upend basic tenet of evolutionary theory
The field of evolutionary biology has seen its share of spirited debates. But if there's one principle that virtually every expert in the field...
Scientists unexpectedly witness wolf puppies play fetch
When it comes to playing a game of fetch, many dogs are naturals. But now, researchers report that the remarkable ability to interpret human...
Fossil is the oldest-known scorpion
Scientists studying fossils collected 35 years ago have identified them as the oldest-known scorpion species, a prehistoric animal from about 437 million years ago....
A wearable gas sensor for health and environmental monitoring
A highly sensitive, wearable gas sensor for environmental and human health monitoring may soon become commercially available, according to researchers at Penn State and...
AlphaZero learns to rule the quantum world
The chess world was amazed when the computer algorithm AlphaZero learned, after just four hours on its own, to beat the best chess programs...
Taking the temperature of dark matter
Warm, cold, just right? Physicists at the University of California, Davis are taking the temperature of dark matter, the mysterious substance that makes up...
Colloidal quantum dot laser diodes are just around the corner
Los Alamos scientists have incorporated meticulously engineered colloidal quantum dots into a new type of light emitting diodes (LEDs) containing an integrated optical resonator,...
Living robots built using frog cells
A book is made of wood. But it is not a tree. The dead cells have been repurposed to serve another need.
Now a team...
Possible discovery of a new super-Earth orbiting Proxima Centauri
Astronomers have discovered another candidate exoplanet orbiting our neighbor Proxima Centauri. A paper announcing these results was just published in the journal Science Advances. If...
