Earth
Dazzling photograph of pink-breasted galahs in Australian desert
This image of a flock of galahs taking off from a tree was captured by artist and photographer Christian Spencer, while out driving in Australia's Strzelecki desert
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Lifting the curtain on a century-old theatre trapdoor seating system
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What happens if I shine a torch when moving at the speed of light?
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Can the drag of hair tied in a pony tail slow down elite runners?
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This week鈥檚 new questions
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Space
Watch out for three meteor showers set to occur in October
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Tom Gauld on the Grand Old Duke of York’s chief scientist
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Twisteddoodles on a scientist’s weaknesses
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Earth
Striking photos show scale of development in sub-Saharan Africa
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Why do I see extra colours bands below the typical bow of a rainbow?
Our readers agree that it is possible to perceive extra colours beneath the violent band of a rainbow, but disagree about the cause
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Why do we open our mouths when we put on mascara?
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This week鈥檚 new questions
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Humans
How to cook the perfect corn on the cob
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Do men and women prefer different nose-based gestures?
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