Chicks jump off cliff

4 minutes

The only way to survive for newborn barnacle geese is to dive off a cliff

Barnacle geese nest on cliffs to keep their eggs safe from predators. But just days after the chicks hatch, they face a brutal introduction to the outside world. To find food and join their parents, the goslings must plummet hundreds of feet from their nests. Unable to fly, many die in the process. More remarkably, though, as this excerpt from the BBC’s ‘Life Story’ series shows, many also manage to make it through this brutal survival strategy.

Video/Gender & Sexuality

In southern Mexico, a long-acknowledged ‘third gender’ is not masculine or feminine

9 minutes

ORIGINAL
Video/Ethics

If soldiers act with unjust aggression they are as culpable as civilian criminals

6 minutes

Video/Design & Fashion

A film that dreams of a poem that dreams of tragedy and love

4 minutes

Video/Astronomy

The plodding photon, or how the speed of light looks sluggish on a galactic scale

45 minutes

Essay/Mathematics

How to play mathematics

The world is full of mundane, meek, unconscious things embodying fiendishly complex mathematics. What can we learn from them?

Margaret Wertheim

Idea/History of Science

The missing fossils matter as much as the ones we have found

Adrian Currie & Derek Turner

Video/Evolution

A cut-throat case of evolutionary backstabbing in the Peruvian rainforest

3 minutes

Essay/Physics

This granular life

That the world is not solid but made up of tiny particles is a very ancient insight. Is it humanity’s greatest idea?

Carlo Rovelli

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Idea/Physics

Why we can stop worrying and love the particle accelerator

Joel Frohlich