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Gigantic bacterium discovered in the Caribbean. It’s the size and shape of an eyelash.
A medical scan which reveals where HIV and other viruses hide in the body.
Two recent subtypes of the Omicron virus are much better at evading our immune defences.
New insights into Tonga’s cataclysmic volcanic eruption revealed
Climate change may have doubled the death rate of rainforest trees over the last 50 years
Astronomers image the supermassive black hole at the centre of the Milky Way galaxy
The Indian subcontinent is roasting in a prolonged heatwave. Is climate change to blame?
Solar geoengineering to curb climate change could worsen global malaria burden.