Our pupils shrink and expand as we breathe in and out, but whether this affects vision is unclear ​Our pupils shrink and expand as we breathe in and out, but whether this affects vision is unclear Our pupils shrink and expand as we breathe in and out, but whether this affects vision is unclear 

Highland and lowland populations in Papua New Guinea have different gene variants derived from Denisovan archaic humans, indicating possible adaptations for lower oxygen levels and higher malaria risk ​Highland and lowland populations in Papua New Guinea have different gene variants derived from Denisovan archaic humans, indicating possible adaptations for lower oxygen levels and higher malaria …

Denisovan DNA may help modern humans adapt to different environments Read More »

Hoverboards, or self-balancing scooters, are already used by hobbyists as a basis for robots, but now a group in Russia is putting them to use on the battlefields of Ukraine ​Hoverboards, or self-balancing scooters, are already used by hobbyists as a basis for robots, but now a group in Russia is putting them to use …

Russia is building ground-based kamikaze robots out of old hoverboards Read More »

All life on Earth can trace its origin to LUCA, the last universal common ancestor – and now it seems this organism may have lived a few hundred million years after the planet formed ​All life on Earth can trace its origin to LUCA, the last universal common ancestor – and now it seems this …

Last common ancestor of all life emerged far earlier than thought Read More »

When astronauts go on a spacewalk, their urine is collected by what is essentially a large diaper before being thrown away, and they have less than a litre of drinking water available – but a new kind of spacesuit could solve both issues ​When astronauts go on a spacewalk, their urine is collected by what …

Astronauts could drink their own urine with water-recycling spacesuit Read More »

A set of mathematical equations can help turn apparently random observations into a clock – and then measure its accuracy ​A set of mathematical equations can help turn apparently random observations into a clock – and then measure its accuracy A set of mathematical equations can help turn apparently random observations into a clock – and …

You can turn any random sequence of events into a clock Read More »

Researchers have reshaped single electrons into spiralling matter waves with distinct handedness that could be used to study and control materials ​Researchers have reshaped single electrons into spiralling matter waves with distinct handedness that could be used to study and control materials Researchers have reshaped single electrons into spiralling matter waves with distinct handedness that could …

Laser helps turn an electron into a coil of mass and charge Read More »

A complete genome has been extracted from a 52,000-year-old woolly mammoth, which might bring us closer to resurrecting the species ​A complete genome has been extracted from a 52,000-year-old woolly mammoth, which might bring us closer to resurrecting the species A complete genome has been extracted from a 52,000-year-old woolly mammoth, which might bring us closer …

Woolly mammoth DNA exceptionally preserved in freeze-dried ‘jerky’ Read More »

Thick sea ice is flowing into the Northwest Passage, complicating predictions that melting ice due to climate change will open a shorter route between oceans ​Thick sea ice is flowing into the Northwest Passage, complicating predictions that melting ice due to climate change will open a shorter route between oceans Thick sea ice is flowing into …

Melting sea ice is hindering, not helping, Canadian Arctic shipping Read More »