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Planet Earth Online
Man-made nanoparticles in water slow fish down
Scientists think the nanoparticles damage the fish's gills, causing oxygen deprivation in the internal organs including the brain.
November 27, 2012
Baby turtles don’t just go with the flow
With just a few hours of paddling a day, tiny loggerhead hatchlings navigate powerful currents, using the Earth's magnetic field to orient themselves.
November 9, 2012
First teeth found in ancient armored fish
First teeth - probably sharp - were on a fierce armored fish that lived roamed the world's ocean around 430 to 360 million years ago, say researchers.
October 22, 2012
Snake venom discovery could aid drug development
Those who need drugs to treat cancer, diabetes and high blood pressure might soon have a reason to thank a snake.
October 15, 2012
Amazonian tree rings reveal past rainfall
Scientists used tree rings from just eight cedar trees in Bolivia to make a detailed picture of rainfall patterns across the Amazon basin over the last century.
October 8, 2012
How is pollution changing Lake Baikal?
Some unique life that's evolved over millions of years in Earth's oldest and deepest lake is in trouble.
October 5, 2012
Deforestation decreases tropical rainfall, says study
New research on the way air carries moisture confirms that deforestation has a major effect on tropical rainfall.
September 10, 2012
Massive methane gas stores could sit beneath Antarctica
If Antarctica's ice sheets continue to thin as the climate warms, stores of the potent greenhouse gas could be released to the atmosphere, researchers say.
September 5, 2012
Antarctic Peninsula primed for melt after warming
Antarctic Peninsula is primed for melting. What we are seeing is consistent with a human-induced warming on top of a natural one, say researchers.
August 28, 2012
Skin cancer found in fish for the first time
The disease is remarkably similar to skin cancer found in humans and the scientists think UV radiation from the sun is the likely cause.
August 28, 2012
