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More than 4,000 blood tests suggest that our bodies age in three different shifts

Scientists think we can ‘delay’ the aging process, but how far can we really go?

Drinking coffee before exercise can do something amazing for your body

Flu vaccines are associated with a drop in COVID-19 infections, and scientists are not sure why

Neuroscientists detect confused ‘zombie’ cells in the human brain after death

COVID-19 vaccine in the form of a pill was prepared to enter the first clinical trials

Incredible photos reveal the Icelandic eruption that took 900 years to happen

The sensitivity of human fingertips is greater than we ever imagined

Sperm whales learned to dodge harpoons and taught others skills

The bacteria behind the UTIs make their own DNA building blocks from their urine

Long symptoms of COVID are disappearing for some vaccinated patients, and we don’t know why

Coronavirus infections in the U.S. may be twice as high as official figures, study warns