Testing seafood in the Gulf

Testing seafood in the Gulf

Fish contamination was rare after the oil spill in the Gulf, with levels of dangerous hydrocarbons well below “levels of concern.” More »

Breaking the Cambrian barrier

Breaking the Cambrian barrier

Darwin thought life had to predate the Cambrian era, and yet there was no evidence. What was life like, and how do we recognize it? More »

Coffee: Drink of the gods?

Coffee: Drink of the gods?

Teenagers listen up! Caffeine not just a mood-booster: Coffee’s complex chemistry could help with memory, illness, but in moderation! More »

Bathed in poison!

Bathed in poison!

All life requires oxygen, nitrogen, sulfur, carbon, hydrogen and phosphorus. Until now. Bacteria in a toxic California lake that have More »

Tracking traveling toads

Tracking traveling toads
Do new species arise because so many niches are available in a new habitat? Or do they arise because newcomers have multiple talents More »

Fish phishing attack explained!

Fish phishing attack explained!
Cleaner fish remove parasites from other fish. Why do males punish females who eat the wrong food from their host? A clue to the More »

Death of the mastodon

Death of the mastodon
It’s one of the biggest puzzles of paleontology: Why did North America’s large mammals go extinct shortly after the glaciers melted More »

Internet: The fastest teacher?

Internet: The fastest teacher?
MRI scans of older people show major differences between searchers and non-searchers. After seven hours of Internet experience, those More »

Swine flu

Swine flu

The epidemic fades, with 61 confirmed deaths and 5,251 cases so far. Were the public health warnings overdone? Or did they help stem More »

Science Education 101

Science Education 101

Don’t know much about Science Education: A survey shows 3 out of 4 US adults do not feel they have a good understanding of science. More »