Is creation a viable model of origins in today's modern, scientific era? Leading creation apologist and bestselling Christian author Ken Ham is joined at the Creation Museum by Emmy Award-winning science educator and CEO of the Planetary Society Bill Nye.

Hacker and writer Joshua Klein is fascinated by crows. After a long amateur study of corvid behavior, he's come up with an elegant machine that may form a new bond between animal and human.

Deforestation has left sloths in the wild almost homeless, but a woman in Costa Rica opened up a rescue centre to make sure the species survives. She has a sloth nursery that has provided us with some super cute sloth footage that helps raise awareness of the struggles faced by this species.

They can also be poured as liquids and squashed down like putty.

This incredible video proves that helium isn't just a voice-raising gas. In its superfluid state it also defies gravity, has zero friction and can leak through glass.

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 ...