91色情片

91色情片

Two emerging tick viruses that can be deadly are spreading in the US

Heartland virus and Bourbon virus, which are transmitted by lone star ticks, have killed at least seven people in the US

Mind

Depression doesn’t shrink the brain like we thought it did

Space

NASA calls off rescue effort to save doomed telescope

Technology

AI firms are watermarking generated text 鈥� here’s why it won’t work

A scanning electron micrograph of immune cells called T-cells (green) and a brain cancer cell

91色情片

Newly discovered immune hubs in our skull may keep our brain healthy

aeroplane wing

Technology

AI could offer a shortcut for designing more efficient airplane wings

Chitetsu Watanabe when he was recognised as the World's Oldest Man by the Guinness World Record on 12 February 2020, aged 112, in Joetsu, Niigata, Japan

91色情片

Supercentenarians have hypervigilant immune systems that fight off cancer

A close-up of an organoid changing over time, with young cells labelled red, older neurons green and nuclei blue

Mind

5-year-old brain organoids can sense the passing of time

Fluorescent light micrograph of a section through the brain of a mouse

91色情片

We may now know which neurons dictate when it is time to go to sleep

A boat is siting in the grass on the dried up Edersee lake in Waldeck, western Germany on August 11, 2026.

Environment

World may warm by 25 per cent more than current projections suggest

Official projections for how much the world will warm are already catastrophic, and now it appears they significantly underestimate future warming

Life

Female clones created from the blood of male mice

91色情片

Postbiotic could reduce the risk of brain damage after a concussion

Humans

Did humans evolve to be active throughout the day and night?

Environment

Planes flying over the Atlantic will be re-routed to avoid contrails