New research provides the clearest evidence yet that the Cambrian explosion—a rapid burst of evolution 540 million years ago, could have been triggered by only a small increase in oxygen levels in Earth's atmosphere and ...
Saving lives through surgery is no longer exclusive to humans. In a study published July 2 in the journal Current Biology, scientists detail how Florida carpenter ants, a common, brown species native to its namesake, selectively ...
Researchers at Baylor College of Medicine, the University of Cambridge and collaborating institutions have discovered that alterations in the human gene TRPC5 cause obesity and postpartum depression.
Oxygen is essential for life on Earth, but it also gives rise to free radicals, unstable molecules that can damage cells. Antioxidants are chemical compounds that protect cells by neutralizing free radicals. The quintessential ...
While the impact of wildfires on terrestrial life has been well studied, only recently has research started to examine the effects of wildfire ash on aquatic organisms. New research reveals that wildfire ash can have lethal ...
Two slightly burnt, fat-covered sticks discovered inside an Australian cave are evidence of a healing ritual that was passed down unchanged by more than 500 generations of Indigenous people over the last 12,000 years, according ...
A stingray that got pregnant at a North Carolina aquarium this winter despite not having shared a tank with a male of her species for many years has died.
One way to help tell how a Tyrannosaurus rex digested food is to look at its poop.
The sea worm Platynereis dumerilii is only a few centimeters long, but has a remarkable ability: In just a few days, it can regenerate entire parts of its body after an injury or amputation. By focusing more specifically ...
Magnetic resonance imaging (MRI) is a technique commonly used to explore the brains of sheep. Until now, it had only been performed under general anesthesia, to ensure the animal's immobility. Anesthesia, however, leads to ...
