Home Biology Page 4

Biology

What makes some species more likely to go extinct?

Though they say “tis impossible to be sure of anything but death and taxes,” a bit of financial chicanery may get you out of...

Is gene editing tech CRISPR worth the risk?

The gene editing technology CRISPR has prompted both breathless predictions of medical breakthroughs and warnings of apocalypse.  Recently, HBO’s John Oliver opened a Last Week...
Why are tropical forests so diverse

Why are tropical forests so diverse?

Ecologists have long struggled to explain why tropical forests have so many different species of trees. One dominant theory to emerge contends that each plant...

Laughing gas nitrous oxide may have given breath to early life on Earth

More than an eon ago, the sun shone dimmer than it does today, but the Earth stayed warm due to a strong greenhouse gas...
Evolution might favor 'survival of the laziest'

Evolution might favor ‘survival of the laziest’, says new study

New study found higher metabolic rates were a reliable predictor of extinction likelihood. If you've got an unemployed, 30-year-old adult child still living in the...
What doesn't kill your cells makes them stronger

What doesn’t kill your cells makes them stronger

We've all heard the expression: "what doesn't kill you makes you stronger." Now, research led by a Salk Institute scientist suggests why, at a cellular...
‘Zombie’ gene returns to life and kills cancer in elephants

Zombie’ gene returns to life and kills cancer in elephants

The gene appears to have been helping elephants and their relatives for a long time Researchers have discovered a gene that can protect elephants from...

Old species learn new tricks…very slowly

A quick look at the fossil record shows that no species lasts forever. On average, most species exist for around a million years, although some...

New genome analysis could predict risk for common deadly diseases

Through “polygenic risk scoring,” researchers can identify people at high risk for disease, even if they don’t present other warning signs. The method shows potential...

Zombie gene protects against cancer in elephants

Dead gene reborn helps destroy cells with damaged DNA An estimated 17 percent of humans worldwide die from cancer, but less than five percent of...