10 things we didn't know last week
1. Vincent Van Gogh looked a lot like his brother Theo.
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2. Urban pigeons remember who will feed them and who will chase them away.
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3. Women have gaydar.
4. There are ants that carry a friend so they can deal with big bits of food.
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5. It's very difficult to urinate in a treated water reservoir in the UK.
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6. Half of Britons are, in fact, Germans.
7. Sonic the Hedgehog's shoes are based on Michael Jackson's footwear in the Bad video.
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8. British taxpayers own 200,000 paintings - including multi-million pound works by the likes of Titan, Monet and Picasso.
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9. A female tennis player's grunts can reach 95 decibels.
10. Chocolate milkshake is the ideal post-workout recovery drink.
Seen 10 things? . Big thanks to Jacob Haddad for this week's picture of 10 balloons in Oxford.