Habitable planets could have formed at the dawn of the universe
Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest supernovae
Covid smell loss eased by injecting blood cells into the nose
Just three nasal injections of blood cells called platelets helped people whose smell was affected by covid-19 identify new odours
Setting fire to a million acres of California could cut smoke by half
As California expands its prescribed burning efforts, a study of more than 180 such projects suggests they are an effective way to reduce a blaze's intensity and smoke
The world is on track for between 1.9 and 3.7°C of warming by 2100
While some progress has been made in limiting greenhouse gas emissions, we are still on the path for high levels of global warming
Gorgeous images capture coral breeding breakthrough
Cryopreserved coral sperm could be used for future breeding programmes to restore damaged reefs
Carbon removal schemes on farms could change Earth’s reflectivity
Carbon removal schemes involving enhanced rock weathering should consider whether the rocks they use are lighter or darker than the soil, say researchers
A hole-filled battery could make wearables more breathable than cotton
A lithium battery patterned with holes is flexible, stretchable and allows more airflow than cotton, making it perfect for fitness tracking or medical monitoring wearables
This optical illusion expands as you stare at it – and now we know why
Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion
Electric cars now last as long as petrol and diesel counterparts
Records from UK vehicle safety tests show that the average lifespan of an electric vehicle is 18 years, and the reliability is still improving considerably from year to year
Trump-backed Stargate Project could strain the US energy grid
The Stargate Project aims to build huge data centres for AI development – but the details remain murky, and it is still unclear exactly how this might impact the energy future of the US