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Nature, Published online: 03 February 2025; doi:10.1038/d41586-025-00296-9

Quantum mechanics depicts a counter-intuitive reality in which the act of observation influences what is observed — and few can agree on what that means.

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00360-4

The immune benefits of scratching an itch. Plus, what former NIH director Monica Bertagnolli has to say about everything that’s going on in the United States.

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00323-9

Once thought to have evolved inside the Tube network, a tunnel-dwelling mosquito might actually have emerged thousands of years ago in Egypt.

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00269-y

The month’s sharpest science shots — selected by Nature’s photo team.

Nature, Published online: 31 January 2025; doi:10.1038/s41586-025-08653-4

Author Correction: FBP1 controls liver cancer evolution from senescent MASH hepatocytes

Nature, Published online: 31 January 2025; doi:10.1038/s41586-025-08659-y

Author Correction: Stromal changes in the aged lung induce an emergence from melanoma dormancy

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00198-w

A flexible dart with a weighted tip can have 60% more kinetic energy than a rigid one, experiments show.

Nature, Published online: 31 January 2025; doi:10.1038/d41586-024-03975-1

My ex-supervisor and her new student have levelled serious accusations at me. How do I respond?

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00288-9

Developers are racing to find new ways to train large language models, after sucking the Internet dry of usable information.

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00328-4

Researchers with lived experience of the chronic workplace stress that typifies burnout describe how they sought help and turned their working lives around.

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00257-2

Database shows that researchers with retracted papers had higher self-citation rates and published more than those without retractions.

Nature, Published online: 31 January 2025; doi:10.1038/d41586-025-00274-1

The FDA’s nod for suzetrigine bolsters confidence in the pharmaceutical industry’s strategy to target sodium channels.

Nature, Published online: 30 January 2025; doi:10.1038/d41586-025-00330-w

Scientists have found the ingredients for life in the fragments of an asteroid (just not quite the right ones). Plus, researchers weigh up the pros and cons of DeepSeek-R1.

Nature, Published online: 30 January 2025; doi:10.1038/d41586-025-00258-1

Fruit fly larvae can perceive the squishy texture of decaying flesh.

Nature, Published online: 30 January 2025; doi:10.1038/d41586-025-00234-9

The large carnivores are spreading out of remote mountains and into areas settled by humans.

Nature, Published online: 30 January 2025; doi:10.1038/d41586-025-00256-3

Scratching where it itches reduces the presence of potentially harmful bacteria on the skin, studies in mice show.

Nature, Published online: 30 January 2025; doi:10.1038/s41586-025-08657-0

HIV immune evasin Nef enhances allogeneic CAR T cell potency

Nature, Published online: 30 January 2025; doi:10.1038/d41586-025-00238-5

Monica Bertagnolli details her concerns about Robert F. Kennedy Jr and his ‘Make America Healthy Again’ campaign.

Nature, Published online: 30 January 2025; doi:10.1038/d41586-025-00259-0

Government policies, generous funding and a pipeline of AI graduates have helped Chinese firms create advanced LLMs.

Nature, Published online: 30 January 2025; doi:10.1038/d41586-025-00220-1

He brought cutting-edge methods to archaeological analysis, helping to reshape the field.