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The human cost of the decline of nature鈥檚 carcass cleaners

The loss of vultures in India may be responsible for half a million human deaths.

• 31 mins

Examining Nasa's new evidence for Martian life

Mars rock found that may indicate it hosted microbial life billions of years ago

• 29 mins

Detecting undetected bird flu cases

Cases of bird flu in farm workers in the US may be going underreported.

• 32 mins

The spread of rabies into Cape fur seals

In June this year there was the first detected occurrence of rabies in Cape fur seals.

• 30 mins

Fisheries mismanagement uncovered

Fishery assessment models overestimate the sustainability of the world鈥檚 fisheries.

• 29 mins

Wow! A mystery signal solved

In 1977 astronomers recorded a strange radio transmission, perhaps even from aliens.

• 29 mins

Concerning viruses found in fur farmed animals

A survey of diseased animals from fur farms has revealed potentially threatening viruses

• 30 mins

A landslide-induced megatsunami in Greenland

The 200-metre-high tsunami sloshed between the cliffs of Dickson Fjord for nine days

• 29 mins

Flash floods in the Sahara

The Sahara has been experiencing unusually heavy rainfall due to an extratropical cyclone

• 26 mins

Historic weather extremes revealed using tree-rings

The jet stream has shaped extreme weather, influencing harvests, wildfires and epidemics

• 26 mins

Excesses of Rain

How much did climate change drive storm Helene?

• 34 mins