Speciation: Birds of a feather…
Carrion crows and hooded crows are almost indistinguishable genetically, and hybrid offspring are fertile. Biologists now show that the two forms have remained distinct...
Contraceptive jewelry could offer a new family planning approach
Researchers report on a technique for administering contraceptive hormones through special backings on jewelry such as earrings, wristwatches, rings or necklaces. The contraceptive hormones...
Microgels let medical implants fight off bacteria
Joint replacement implants dipped in microgel flecks -- and then into a charged solution -- can release micro-doses of antibiotics when bacteria approach. The...
Biomechanics of how the Ebola virus attaches to its host cell
Engineers and microbiologists have developed a simple model for virus-host cell interaction driven by Ebola's adhesion to cell surface receptors. The findings could provide...
Ultra-sharp images make old stars look absolutely marvelous!
Using high-resolution adaptive optics imaging from the Gemini Observatory, astronomers have uncovered one of the oldest star clusters in the Milky Way Galaxy. The...
New tool maps a key food source for grizzly bears: huckleberries
Researchers have developed a new approach to map huckleberry distribution across Glacier National Park that uses publicly available satellite imagery. Tracking where huckleberry plants...
C. elegans roundworms ‘harvest’ an essential coenzyme from the bacteria they consume
A study conducted in C. elegans nematode roundworms may lead to improved treatment of a rare human genetic disorder that causes severe neurological symptoms...
Debt relief improves psychological and cognitive function, enabling better decision-making
A new study demonstrates that reducing the number of debt accounts lowers the mental burden of the poor, thereby improving psychological and cognitive performance....
New 3-D printing approach makes cell-scale lattice structures
A new way of making scaffolding for biological cultures could make it possible to grow cells that are highly uniform in shape and size,...
The solid Earth breathes
The solid Earth breathes as volcanoes ''exhale'' gases like carbon dioxide (CO2) -- which are essential in regulating global climate -- while carbon ultimately...
