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Illustration of a teenage girl who is the offspring of a Neanderthal (Homo neanderthalensis) mother and Denisovan (Homo sapiens denisova) father. A bone fragment with this hybrid ancestry was found in the Denisova Cave in Russia. The bone belonged to a female who was at least 13 years old and died around 90,000 years ago. It was known from genetic analysis of other fossils that the two species had interbred, but this is the first first-generation offspring of such a pairing to be found.

Humans

Understanding the Denisovans means understanding ourselves

Categorising the Denisovans as a distinct species would allow us to more comprehensively trace our own evolutionary development

Mind

Why do we love fake lips, but hate fake meat?

Cyclists and commuters make their ways home in evening sunshine at the junction of Fleet Street and Ludgate Hill in the City of London, aka the Square Mile - the capital's financial district, on 4th April 2023, in London, England. (Photo by Richard Baker / In Pictures via Getty Images)

Technology

I’m a cyclist. Will the arrival of robotaxis make my journeys safer?

Technology

We need to establish free internet access as a standalone human right

Health

A new angle on brain health could bring much-needed new treatments

Physics

Why no one can agree on what quantum physics really means

A majestic oak tree seen from the base, its thick trunk covered in moss and reaching up into a canopy of vibrant green leaves. The branches spread wide against a bright sky.; Shutterstock ID 2527834681; purchase_order: -; job: -; client: -; other: -

Comment

Trees have a microbiome inside them? This is both obvious and profound

Humans

Introvert, extravert, otrovert? There’s a new personality type in town

Senior couple (aged 65-69) hiking together on a coastal path

Health

Why ageing doesn’t have to mean years of poor health

2H2KWEA Big Bang to Present. Stages in the history of the Universe after the Big Bang. At 300, 000 years, matter and radiation decouple, and the Universe becomes transparent for the first time. The first galaxies form at around 300 million years after the Big Bang, but the exact time period is uncertain. At an age of 9 billion years the Solar System formed. Finally, 13.7 billion years after the Big Bang we arrive at the present day. The Universe is still expanding and evolving.

Physics

What happens to light’s energy when it redshifts? It’s complicated

When it comes to cosmology, answering one question only leads to more. Just take light. Chanda Prescod-Weinstein dives into a reader's question

Health

Could this be the way to get the world exercising?

Health

We should consider testing Ozempic on healthy people

Space

New NASA head wants to build a nuclear reactor on the moon 鈥� but why?

Mind

What are the best ways to improve your cognitive reserve?