Home Biology Page 4

Biology

DNA test helps solve 25-year-old shark bite mystery

DNA test helps solve 25-year-old shark bite mystery

When Jeff Weakley tweezed open a blister-like bulge on his foot, he was not expecting to find a piece of tooth from a shark...

Why humans are so much fatter than chimps, despite sharing 99% of same DNA

The answer may have to do with an ancient shift in how DNA is packaged inside fat cells. Blame junk food or a lack of...
New gene editor could fix major shortcoming of current CRISPR tech

New gene editor could fix major shortcoming of current CRISPR tech

Scientists at Columbia have developed a gene-editing tool—using jumping genes—that inserts any DNA sequence into the genome without cutting, fixing a major shortcoming of...
Scientists recreate cell division outside a cell for the first time

Scientists recreate cell division outside a cell for the first time

Every living thing moves—prey from predators, ants to crumbs, leaves toward sunlight. But at the most fundamental level, scientists are still struggling to grasp the...
Godzilla is back and he's bigger than ever

Godzilla is back and he’s bigger than ever

Godzilla first made his debut in 1954. At inception, he was a 50-meter tall metaphor for indiscriminate destruction, particularly U.S. hydrogen-bomb testing in the Marshall...

Why is carbon the key to life? On earth, anyway

One element is the backbone of all forms of life we've ever discovered on Earth: carbon. Number six on the periodic table is, to the...
Scientists find a new food source for early life on Earth

Scientists find a new food source for early life on Earth

Scientists have demonstrated a new source of food for early life on the planet. Life on Earth relies on the availability of critical elements such...
Low ocean oxygen levels can blind sea creatures

Low ocean oxygen levels could blind sea creatures

Scientists at the Scripps Institution of Oceanography at the University of California, San Diego, have found that low oxygen levels in seawater could blind...

These methane-consuming bacteria could be the future of fuel

New discovery illuminates how bacteria turn methane gas into liquid methanol. Known for their ability to remove methane from the environment and convert it into...
This tyrannosaur relative weighed less than 100 pounds

This Tyrannosaurus rex relative weighed less than 100 pounds

Tyrannosauroid dinosaurs have a long evolutionary history and include iconic giants like Tyrannosaurus rex. This newly discovered species links the small tyrannosauroids from the Early...

Most Popular

Scientists find the major cause of autism

In a new study, researchers discovered that autism is 80% reliant on inherited genes. That means that environmental causes are only responsible for 20% of...
These two types of drugs are linked to dementia

These two types of drugs are linked to dementia

In a recent study from the University of East Anglia, researchers find that long-term use of anticholinergic antidepressants is linked to a higher risk...

This popular painkiller may harm your blood sugar

In a new study, researchers found popular pain drug opioid tramadol (marketed as ConZip and Ultram) may increase the risk of developing hypoglycemia, or...

Popular high blood pressure drug may increase risk of bowel disease

High blood pressure harms one in ten adults across the globe, and it increases the risk of heart attack and stroke. The most common treatments...
Common painkiller may harm your immune system, damaging heart and kidneys

Common painkiller may harm your immune system, damage heart and kidneys

In a recent study, researchers found that a widely used type of painkiller may increase risks of heart failure and kidney disease. The type of...