Articles by

Allison Gasparini

A crucial building block of life exists on the asteroid Ryugu

Uracil, a building block of life, has been found on the asteroid Ryugu. Yasuhiro Oba and colleagues...

A trick inspired by Hansel and Gretel could help rovers explore other worlds

In the classic fairy tale, Hansel and Gretel dropped bread crumbs while walking through a treacherous forest...

A new biomaterial heals heart attack damage in animals. Humans could be next

A new biomaterial delivered to the heart soon after a heart attack can heal damaged tissue from...

How much water should you drink a day? It depends on several factors.

Are you drinking enough water? The question seems like it should have a straightforward answer — a...

The world population has now reached 8 billion

Eight billion. That’s the number of humans estimated to be alive on Earth. On November 15, the...

A clam presumed extinct for 40,000 years has been found alive

A species of clam is back from the dead. Known as Cymatioa cooki, the clam had only...