4D-printed robot self-assembles into a tube and rolls up hills
22 September 2021
A 3D-printed material rolls itself up into a tube, becoming a “4D-printed” robot that travels up hills when exposed to heat
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The ozone hole over the South Pole is now bigger than Antarctica
15 September 2021
Each year between August and October, the ozone over the South Pole is depleted – this year the hole is larger than 75 per cent of the holes that had formed by this point in the season since 1979
Rare genetic variants play important role in people who live to be 100
13 September 2021
An analysis of DNA from 515 centenarians has identified rare genetic variants that might help explain how they reached their hundredth birthday
Food production emissions make up more than a third of global total
13 September 2021
Global greenhouse gas emissions from food production are 37 per cent of the total, and animal-based food production emits twice as much as plant-based food production
Tooth decay has been a problem for primates for 54 million years
9 September 2021
Microsyops latidens, a prehistoric primate that lived about 54 million years ago, had dental cavities – perhaps because it had a taste for fruit and other sugar-rich food
Gene responsible for cat fur patterns could lead to designer pets
7 September 2021
Researchers have discovered the genetic basis for the different patterns of fur seen in domestic cats, but caution against the idea of using this to create pets with specific coats
Some animals are evolving new body shapes as the climate changes
7 September 2021
Some endotherms, commonly called warm-blooded animals, have grown larger wings, beaks or tails to increase their surface area, which helps them stay cool as the world warms
First full survey of Peru and Chile’s threatened fog island ecosystems
6 September 2021
So-called fog oases along the dry coast of Peru and Chile are home to medicinal plants – and a survey suggests they can grow in an area four times greater than previously thought
Cavalier King Charles spaniels carry a high number of harmful genes
2 September 2021
A genetic study of eight dog breeds including German shepherds and golden retrievers found that cavalier King Charles spaniels had the highest number of potentially harmful mutations
Bacterial probiotics could help protect corals from ocean warming
13 August 2021
Coral reefs around the world are threatened by warming temperatures which cause them to bleach – but they might get some relief through probiotics
