Measuring luminescence helps to date a remarkable new discovery at Stonehenge

High-tech archaeology

1d

Emissions slashed today won’t slow warming until mid-century

Mitigation policies remain essential, but governments need to be wary of public perceptions

1d

This year’s AIDS conference has brought snippets of good news

But the HIV pandemic is nowhere near over yet

1d

After many false starts, hydrogen power might now bear fruit

But it will fill in the gaps, rather than dominating the economy

2w

A pest’s genome reveals its past

And shines light on how to deal with it in future

2w

Pandemic-proofing the planet

New diseases are inevitable. Ensuing global calamities are not

3w

An icebreaker called Polarstern is revealing the Arctic’s secrets

Everything depends on how the ice behaves

4w

A cheap steroid cuts deaths from severe covid-19

Dexamethasone appears most effective for patients needing ventilation

4w

An animal model of covid-19 is now available

Another is on its way

5w

The nose, it seems, is protected by bacterial guards

They are similar to some of the bugs found in yogurt

5w