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Science

Asymmetry of Life

The prevalence in living organisms of certain kinds of molecules over their mirror images may have originated in space

Our Shrinking Brains

That it is happening is not in doubt. The implications, though, are far from clear

Why 98.6º F

The constantly high temperatures maintained by mammals may be a way to fight fungal infections

Living without Fear

A woman with amygdala damage in her brain reveals what a fearless life implies

The Original Shine

Gold on earth may well have come from outer space, but the gold we can currently access has an even more interesting history

A New Kind of Life

Bacteria that use arsenic in their DNA could reshape our idea of the chemistry of life

Fat World

A study shows species across the board putting on weight. Is there something in the environment contributing to it?

Ancient Journeys

Genes in today’s Icelandic population suggest that the Vikings brought back an American Indian woman a thousand years ago.

Sizing up a Man

The ratio of the index and ring finger in males is being linked to a host of behavioural traits.

The Invisibility Cloak

A new material that is flexible and bends visible light makes such a cloak a real possibility

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