Researchers have found that galloylquinic acids extracted from the leaves of Copaifera lucens Dwyer, a tree native to Brazil and found mainly in the Atlantic Forest, can act against SARS-CoV-2 in ...

A material thought to be nonmagnetic may reveal a hidden magnetic state when thinned to just a few atomic layers and placed ...

Ancient teeth suggest humans were using psychoactive betel nuts 25,000 years ago, pushing the history of habitual drug use ...

“Solid tumors are very diverse,” Zhu said. “Some tumor cells lose or hide the antigen a therapy is designed to find — what we ...

The universe is still speeding up, scientists say, keeping dark energy and its mysterious role in cosmic expansion firmly in play. Credit: NASA’s Goddard Space Flight Center Conceptual Image Lab / ...

The Devil’s Arrows stand near Boroughbridge in northern England. Reaching heights of up to seven meters (23 feet), the towering stones form an unusual alignment in a lowland landscape.

Credit: DICP A hidden atomic structure formed on nickel oxide could enable powerful methane catalysts that use 10 times less nickel. Producing syngas efficiently from methane could become easier with ...

For delicate samples such as individual proteins, electron microscopy faces a fundamental tradeoff. Producing a clearer image generally requires sending more electrons through the specimen, but ...

Charged raindrops may damage paint with tiny electrical discharges that act like microscopic lightning.

Credit: Shutterstock A familiar diabetes pill could hold the power to slow the biological forces that leave the body ...

Sil began by comparing lactoferrin gene sequences from living species such as humans and cows. Using their evolutionary ...

Some of the healthiest foods may quietly fuel gut inflammation in people with inflammatory bowel disease (IBD).