Jellyfish swarm northward in warming world

Biology / Ecology

4 hours ago | 3.8 / 5 (4) | 0

(AP) -- A blood-orange blob the size of a small refrigerator emerged from the dark waters, its venomous tentacles trapped in a fishing net. Within minutes, hundreds more were being hauled up, a pulsating ...

Federal agencies not taking chances to keep carp from invading Great Lakes

Biology / Ecology

7 hours ago | not rated yet | 0

A group of federal agencies criticized in the past for failing to move quickly to stop Asian carp from entering the Great Lakes announced Friday that they're taking every precaution to keep them out, even poisoning thousands ...

Salmon migration mystery explored on Idaho's Clearwater River

Biology / Ecology

11 hours ago | not rated yet | 0

(PhysOrg.com) -- Temperature differences and slow-moving water at the confluence of the Clearwater and Snake rivers in Idaho might delay the migration of threatened juvenile salmon and allow them to grow larger ...

Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

Biology / Evolution

Nov 10, 2009 | 4.7 / 5 (23) | 13

Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been ...

Rapacious Rasberry ants march north

Biology / Plants & Animals

Nov 13, 2009 | 4.3 / 5 (7) | 10

Poor Texas. First it was killer bees, then fire ants. Now, it's the Rasberry ants.