New discovery shows human cells can write RNA sequences into DNA
on June 11, 2021 at 9:40 pm
In a discovery that challenges long-held dogma in biology, researchers show that mammalian cells can convert RNA sequences back into DNA, a feat more common in viruses than eukaryotic cells.
Study finds brain areas involved in seeking information about bad possibilities
on June 11, 2021 at 3:08 pm
Researchers have identified the brain regions involved in choosing whether to find out if a bad event is about to happen.
African great apes to suffer massive range loss in next 30 years
on June 7, 2021 at 8:10 pm
A new study predicts massive range declines of Africa's great apes -- gorillas, chimpanzees and bonobos -- due to the impacts of climate change, land-use changes and human population growth.
Bacteria are connected to how babies experience fear
on June 4, 2021 at 5:54 pm
Why do some babies react to perceived danger more than others? According to new research, part of the answer may be found in a surprising place: an infant's digestive system.
A shark mystery millions of years in the making
on June 3, 2021 at 9:11 pm
The biggest shark attack in history did not involve humans. A new study by earth scientists has turned up a massive die-off of sharks roughly 19 million years ago. It came at a period in history when there were more than 10 times more sharks […]
Young T. rexes had a powerful bite, capable of exerting one-sixth the force of an adult
on June 2, 2021 at 1:14 pm
Scientists have experimentally measured the bite force of adult T. rexes but not of younger tyrannosaurs. Fossils with juvenile bite marks have now allowed experts to experimentally test how hard juveniles could chomp. Though their bite force is […]
How an elephant's trunk manipulates air to eat and drink
on June 1, 2021 at 11:41 pm
New research finds that elephants dilate their nostrils in order to create more space in their trunks, allowing them to store up to nine liters of water. They can also suck up three liters per second -- a speed 50 times faster than a human sneeze. […]
Scientists learn what fuels the 'natural killers' of the immune system
on June 1, 2021 at 8:51 pm
Scientists are understanding more about natural killer (NK) cells, which are your allies when it comes to fighting infections and cancer.
New tool activates deep brain neurons by combining ultrasound, genetics
on May 28, 2021 at 7:05 pm
A team has developed a new brain stimulation technique using focused ultrasound that is able to turn specific types of neurons in the brain on and off and precisely control motor activity without surgical device implantation.