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Biology October 21, 2015

DNA tool helping biologists find elusive or invasive species

When salmon, salamanders or other aquatic animals poop or shed skin cells, they leave behind traces of their DNA in the water, like clues left behind at a crime scene.

SCIENCE October 21, 2015

Officials begin testing mysterious goo linked to San Francisco Bay Area bird deaths

San Francisco Bay Area officials have begun laboratory tests and necropsies on dead seabirds found coated with a mysterious substance that looks and feels like dirty rubber cement.

Amphibians October 21, 2015

Two-headed baby salamander isn't radioactive, but it is weird

Just call them "Arne" and "Sebastian." Those are the monikers given to the two separate heads of one baby salamander that was born last week in a lab in Israel.

SCIENCE October 21, 2015

Study: Sleeper sharks may kill Steller sea lions

Scientists researching the severe decline in Alaska's Steller sea lion population have a fingered a new possible suspect for the drop: Pacific sleeper sharks, a species previously thought of as a scavenger and fish-eater.

Climate October 21, 2015

UN finding on climate change is just a bunch of hot air, new report claims

A U.N.-commissioned panel says global climate change is hurting the growth of crops, affecting the quality of water supplies and forcing wildlife to change the way they live – but what if it’s all just smoke and mirrors?

Water October 21, 2015

Unusual ice circle forms in North Dakota river

When George Loegering saw a large spinning circle of ice in the Sheyenne River while out hunting with relatives, the retired engineer couldn't believe his eyes.

Water October 21, 2015

Invasive earthworms harming Great Lakes forests

Gardeners and farmers may love earthworms for their rich castings and composting help, but in forests near the Great Lakes, the creatures are alien invaders.

Climate October 21, 2015

North pole now a lake

Instead of snow and ice whirling on the wind, a foot-deep aquamarine lake now sloshes around a webcam stationed at the North Pole. 

Biology October 21, 2015

Ancient microbes found in buried Antarctic lake

Beneath the icy surface of a buried Antarctic lake, in super-salty water devoid of light and oxygen that is also cold enough to freeze seawater, researchers have now discovered that a diverse community of bacteria has survived for millennia.

Oceans October 21, 2015

Cousteau lauds scientific research accomplished during 31-day underwater living experiment

Fabien Cousteau has a week left in his 31-day underwater living experiment in the Florida Keys, but he's not eager to return to the surface.

Science Education October 21, 2015

Ask a science teacher: What makes ice float?

Why is ice, which is water in solid form, lighter than water in its liquid form? Something must be happening to water when it freezes.