Does a pelican swallow everything it catches in its pouch?

Pelicans can swallow all the fish they catch in their huge bills - but it helps if they drain out excess water first. Read more about the pelican here.

How do hummingbird chicks’ long beaks fit in the tiny eggs?

The beak can fit inside the egg - because, when the tiny chick hatches out, the beak is just a tiny bump on the chick's head. Read more about the hummingbird.

Brian Greene wants focus on the drama of science

Brian Greene, Columbia University physicist and co-founder of the World Science Festival, wants people to know that science is dynamic.

Alan Alda on seeing beauty through science

Actor and writer Alan Alda talks about the beauty and wonder of science, in advance of his appearance at the World Science Festival in New York City.

Dark matter responsible for galactic violence

Dense pools of dark matter are yanking on galaxies deep in space. Astronomer Catherine Heymans talks about mysterious force of dark matter.

Fortifying foods with nano-capsules

Listen to Jochen Weiss of the University of Hohenheim speak about using nanotechnology to add omega-3 fatty acids to a variety of foods. Read more about fortifying foods.

What holds fog together?

Even though the water droplets that make up fog may seem suspended, they're actually falling. They're just not falling very fast.

Ancient farming practice improves today’s soil

Global food supply tops the agenda of many scientists. A piece of prehistoric wisdom of ancient farming combined with modern science could be a big help.

Seawater is not good to drink. Here’s why

If you're stranded at sea it's better to hope for rain than to drink seawater. Read more about why people shouldn't drink seawater here.

How far can a human see?

There's no practical limit on how far away we can see - if we're looking at objects brighter than their backgrounds. Read more about how far can a human see.