成人快手

When the New Horizons space probe flew past Pluto three years ago, it revealed an expectedly exotic little world. The latest revelation from the data is that dunes creep across its surface. But as John Spencer of the South West Research Institute explains, these dunes are not made of sand grain, but tiny particles of frozen methane. Then again, it is minus 240 degrees Celsius on Pluto.

Plenty, a Silicon Valley company plans to revolutionize farming by bringing it indoors and dramatically reducing water use. It has ambitious plans to replicate its warehouse farms in Japan, China and across Europe. Alison van Diggelen explores: the veracity of its technology; its environmental claims; its use of AI and automation; and how it plans to disrupt the agricultural industry.

India is tackling an outbreak of the deadly Nipah virus. It has claimed at least 13 lives so far in the southern state, Kerala. The WHO has Nipah on its list as one of eight diseases that could cause a global epidemic.

40% of adults report that they have trouble falling asleep at least a couple of times a month. Common worries about the day鈥檚 events and what lies ahead can result in restlessness and low sleep quality. A new study shows that writing a to-do list before bed may help you to nod off faster

A 10 kilometre wide asteroid wiped out 75% of life (including the dinosaurs) 66 million years ago. So it鈥檚 been a shock to discover this week that life rapidly returned, flourished and diversified at very place where the asteroid crashed into the Earth. Sean Gulick and Chris Lowery of the University of Texas in Austin talks about their discoveries and how they relate to today鈥檚 mass extinction crisis.

Is Fasting Healthy? Marnie Chestherton cuts down on cookies and investigates the science behind low-calorie or time-restricted eating. She hears how some cells regenerate when we're deprived of food, which one researcher says could reduce breast cancer rates.

The coldest place in the universe will be created shortly on the International Space Station. This will be in a box called the Cold Atom Lab installed on the station earlier this week. Lasers and magnets will cool a strange cloud of atoms to within a few fractions of a billionth of a degree above absolute zero. The Lab鈥檚 creator is physicist Rob Thompson of Nasa鈥檚 JPL in Pasadena.

Picture: Image of Pluto taken by the New Horizons space probe.
Credit: Credit the picture (note, don't capitalise names)