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 »

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 »

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 »

Dolly the clone: 10 years later

Dolly the clone: 10 years later

In 1997, Dolly was BIG NEWS. What did Dolly teach? Why did cloning attract so many oddballs, and what is the status of cloning? More »