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200,000 Years of Staggering Human Population Growth Shown in an Animated Map

Last night, during a talk on his new book <i>Raising the Floor</i>, longtime labor leader and current senior fellow at Columbia University Andy Stern told …

The Massive Amount of CO2 Locked in Our Soil Appears to Be Leaking

Uh oh.<p>A key greenhouse gas responsible for warming the planet, carbon dioxide, isn't just hanging around in the air. It's also locked up deep under …

Climate Change

Why winter can be the best time to visit Yosemite National Park

Visitor numbers drop dramatically and you practically have the park to yourself<p>In the summer months, some 600,000 people visit Yosemite National Park a month.<p>Anyone who has spent time at what may be California's most popular outdoor attraction in July or August knows it can be a zoo with traffic …

National Parks

How to Bring Back the Dead (Animals)

IRA FLATOW: This is Science Friday. I’m Ira Flatow. When was the first time you saw those stuffed animals in the Natural History Museum posed …

Watch: How humans came to populate the world over a period of 200,000 years

Keep your eyes on India and China.<p>China and India have always been neck-and-neck when it comes to being the most populated country. But the two …

The 3D Atlas of Our Digital Universe Redefines the Sense of Home

For the ones who would like to see where we are in the cosmos, this 3D digital atlas of our universe stretches out the universe to billions of …

A 500,000-year history of climate change in the US shows animals react in unpredictable ways

Some animals were vulnerable to historic climate change, while other populations actually increased.<p>The genomic history of land animals in the US has …

Scientists watch as a new species evolves before their eyes

The experiment provides observational proof that speciation occurs much as Darwin envisioned.<p>Speciation, the formation of new species through …

Biology

Fast evolution affects everyone, everywhere

Rapid evolution of other species happens all around us all the time - and many of the most extreme examples are associated with human influences.<p>In a …