Dozens of stones up to 300 kg in weight are traveling for hundreds of metres across a dried lake in America. But no one's ever seen them do it. So, what's making these Death Valley 'sailing stones' move?

Meet the tiny book scorpion, Chelifer cancroides. If you have a collection of old books, you probably have an army of book scorpions protecting it, because they eat the book lice that eat the glue that was once used by traditional bookbinders.

Dallol in Ethiopia is not only the hottest inhabited place on Earth, it's also one of the weirdest. Between 1960 and 1966, the average annual temperature was a toasty 35°C (96°F), but the temperature can regularly creep to over 46°C (115°f).

At 48 metres below sea level, Dallol is Earth's lowest land volcano, and its last recorded eruption was in 1926. Its craters contains hot springs that boast a whole range of otherworldly colours - including neon yellow - thanks to the hot magma bubbling below the surface. This magma heats the groundwater that flows into the area from the nearby highlands, and as the heated groundwater moves up towards the surface, it dissolves salt, sulphur, potash and other minerals and deposits them in the Dallol crat ...

The rather impressive flight deck of NASA's Space Shuttle Endeavour, a now-retired orbiter.

This is a chicken's egg without its shell. The egg white consists of 90% water and 10% dissolved proteins, while the yolk contains 100% of the egg's fat and cholesterol. Which is why it tastes so great...

When a female kiwi is about to about to lay her egg, it fills almost her entire body cavity. She's usually unable to eat anything in the days before laying.

New research has shown that children with autism have a very high number of synapses - connections between neurons in the brain. So, researchers have developed a new drug that promotes synaptic pruning, and reverses autistic-like behaviour in mice.

Source: http://www.abc.net.au/science/articles/2014/08/22/4072456.htm ...