4 ways to charge a phone when the power's out

We’ve been doing the umbrella all wrong, and someone finally fixed it

Hop on Cambodia's famed 'bamboo train' before it sputters into the sunset

Canada opens world's longest hiking trail that stretches coast to coast

Spider drinks graphene, spins web that can hold the weight of a human

It's time to take back the streets and make them safe for walking

What drives Internet trolls (and how they affect us)

Rush-hour pollution is a bigger problem than we thought

World's largest bicycle parking garage unveiled in the Netherlands

Elusive 'ghost particles' detected bouncing off an atom

Why do we see monsters in the mirror?

This unassuming powder could change the way we feed the world