Browse Articles | Nature (2025)

Tiny human hearts grown in pig embryos for the first time

The hearts started to beat in the pig–human hybrids, which survived for 21 days.

• Smriti Mallapaty

Hungry caterpillars can brew exotic molecules in their guts

Researchers fed moth larvae the chemical building blocks, and the insects’ enzymes did the rest.

Why pangolins are poached: they’re the tastiest animal around

Trafficking of scales for traditional medicine plays a relatively small part in the hunting of pangolins in Nigeria.

Minuscule worms form living towers to hunt for food

Scientists observe the nematode’s behaviour in the wild for the first time.

Hundreds of physicists on a remote island: we visit the ultimate quantum party

Researchers have gathered on the island of Heligoland to celebrate the centenary of Werner Heisenberg's quantum breakthrough.

• Benjamin Thompson
• Elizabeth Gibney

A long-predicted cosmic collision might not happen after all

The pull of a third galaxy could yank the Milky Way out of the path of Andromeda.

Recording my research led to a photojournalism career

Although he has pivoted to conservation photography, Sirachai (Shin) Arunrugstichai still considers the ocean as his office.

• Hannah Docter-Loeb

Some US researchers want to leave the country. Can Europe take them?

As the Trump administration steps up attacks on US universities and scientific institutions, the European Union is campaigning hard to attract scientists from the United States. But how many can the bloc take?

• Jack Leeming

Mysterious link between Earth’s magnetism and oxygen baffles scientists

Earth’s magnetic field seems to correlate with conditions that helped complex life to thrive — a discovery that could aid the search for life on distant exoplanets.

• Davide Castelvecchi

Why science recruiters struggle to find high-calibre candidates

Are hiring managers asking too much of job-seeking researchers? A comparison between two job ads, posted 30 years apart, offers some clues.

• Julie Gould

An instantaneous voice-synthesis neuroprosthesis

A brain-to-voice neuroprosthesis enables a man with amyotrophic lateral sclerosis to synthesize his voice in real time by decoding neural activity, demonstrating the potential of brain–computer interfaces to enable people with paralysis to speak intelligibly and expressively.

• Maitreyee Wairagkar
• Nicholas S. Card
• Sergey D. Stavisky

Daily briefing: Physical masks created using AI can restore damaged paintings

An MIT engineer has designed a way to restore damaged paintings using printed, AI-generated masks. Plus, a ‘trustworthy’ random number generator and how to keep weight off after coming off weight-loss drugs.

• Jacob Smith

Who is on RFK Jr’s new vaccine panel — and what will they do?

Critics fear that anti-vaccine leader’s picks for crucial committee will be a ‘disaster for public health’.

• Heidi Ledford
• Rachel Fieldhouse

How to address gender equity in science in Africa

Salah Obayya works to advance women’s research careers in photonics in Egypt.

• Shihab Jamal

Happy birthday quantum mechanics! I got a ticket to the ultimate physics party

Nature reporter joins hundreds of physicists on a remote island to celebrate Heisenberg’s enlightening trip there 100 years ago.

• Elizabeth Gibney

How you breathe is like a fingerprint that can identify you

Your inhalation and exhalation pattern is not only unique to you, it can be a marker of your physical and mental state, study suggests.

• Humberto Basilio

This stretchy neural implant grows with an axolotl’s brain

The flexible implant measures brain activity during embryonic development in amphibians — plus, a new way to restore damaged paintings with the help of AI.

• Benjamin Thompson
• Nick Petrić Howe

Meet the MIT engineer who invented an AI-powered way to restore art

The new method could be 70 times faster than repairing painting by hand.

• Geoff Marsh

A cancer-causing mutation meets its match

In mice, engineered immune cells shrink pancreatic and other tumours bearing a mutant version of the KRAS protein.

How the brain separates real images from those it imagines

Neuroscientists have found the regions that keep them apart.

• Rita Aksenfeld