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Science

Did a Waning Monsoon Hit Harappa?

A new study suggests that the climate turned more arid some 4,000 years ago

Why Cats Can’t Taste Sugar

Cats and many other carnivore species have lost their sweet taste receptors

Depression May Have Evolved to Combat Infection

The depressed tend to have higher levels of inflammation, even if they’re not fighting an infection

For Right-handers, ‘Right’ Is Might

To attract customers, sell products or get votes, the right side of a page could be the ‘right’ place

A Genius Earns His Stripes Yet Again

Experimental evidence confirms Alan Turing’s explanation of how a leopard gets its spots and a zebra its stripes

Practice Makes More Perfect

A study shows those who continue practising tasks after mastering them exert less energy to achieve more

How Do Placebos Work?

New research adds to the mystery of why plain sugar pills should have such healing power

First Step out of Africa

Genetic analysis of maternal lines of descent suggests that humans first moved to the Arabian peninsula before populating the world

How Fast Can a Drone Go?

The way birds negotiate obstacles suggests that aeronautical drones can fly much faster than they currently do, but there is a limit

Why Do Humans Have Such Plain Faces?

Some primates have faces that come in several colours, but those living in large groups don’t

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