UN urges ambitious action to protect the oceans

World leaders must do more to protect the oceans, a major United Nations conference concluded on Friday, setting its sights on a new treaty to protect the high seas.

Self-cleaning spacecraft surfaces to combat microbes

Astronauts live and work in orbit along with teeming populations of microorganisms, which could present a serious threat to health—and even the structural integrity of spacecraft. To help combat such invisible stowaways, ...

Bottled water sales rose globally as pandemic took hold

Families in some of the poorest parts of the world turned to buying bottled water as the pandemic sent countries into lockdown, with larger chunks of incomes being spent on drinking water, SciDev.Net analysis shows.

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