Astronomers using the Hubble Space telescope have found\xa0large methane storms raging on the planet Uranus.
\nOnly three animals go through menopause: humans, short-finned pilot whales, and killer whales. The leading theory behind this\xa0is known as the 'Grandmother hypothesis', but it doesn't explain other long-lived familial animals like elephants.
\nSpectroscopy analysis may have revealed\xa0how chameleons change colour. Intricate latices of tiny photonic crystals reflect light differently depending on how they are aligned and the spaces between them.
\nThe microbes in a city's sewage\xa0could give an indication of the rate of obesity in the city, according to an American study.