Why is the Sky Any Color?
Adults WorldIt's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The Odyssey or The Iliad, because blue is one of the last colors that cultures pick out a word for.
The Science and Beauty of Auroras
Adults WorldSpace might seem like an empty place, but the area surrounding Earth is constantly being bombarded by waves of charged particles released by the Sun: The solar wind. Luckily, thanks to Earth's swirling, molten core (and the magnetic field it provides), we are protected from this planet-sterilizing onslaught like an invisible force field.
Louie Schwartzberg: Hidden miracles of the natural world
Adults WorldWe live in a world of unseeable beauty, so subtle and delicate that it is imperceptible to the human eye. To bring this invisible world to light, filmmaker Louie Schwartzberg bends the boundaries of time and space with high-speed cameras, time lapses and microscopes. At TED2014, he shares highlights from his latest project, a 3D film titled "Mysteries of the Unseen World," which slows down, speeds up, and magnifies the astonishing wonders of nature.
Facebook Will Use Drones and Lasers to 'Beam' Internet to the World
Adults WorldAfter announcing Internet.org last year, an initiative to improve Internet access across the globe, Mark Zuckerberg unveiled the Connectivity Lab, a new team of scientists that has been working on the ambitious project. He said that the Connectivity Lab would develop "new platforms for connectivity on the ground, in the air and in orbit," according to a post on Internet.org on Thursday. How are they going to do it?
How we found the giant squid
Adults WorldHumankind has been looking for the giant squid (Architeuthis) since we first started taking pictures underwater. But the elusive deep-sea predator could never be caught on film. Oceanographer and inventor Edith Widder shares the key insight that helped to capture the squid on camera for the first time.
25 Mind Boggling Facts About Our World
Adults WorldDid you know that in all of history men have only mined two Olympic sized swimming pools worth of gold? Or that frogs use their eyeballs to swallow? If you did...congratulations, you're pretty smart. If not, read on because these 25 mind boggling facts about our world will probably change the way you see some things.
Explore the Galapagos' biodiversity with Street View
Adults WorldThis week marks the 178th anniversary of Darwin's first exploration of the Galapagos Islands. This volcanic archipelago is one of the most biodiverse and unique places on the planet, with species that have remarkably adapted to their environment. Through observing the animals, Darwin made key insights that informed his theory of evolution. Here's a short documentary that captures the 10-day expedition: More info