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curare

The Amazonian arrow poison that made modern anaesthesia

17 January 2018

Adventurer Richard Gill sought relief from symptoms of multiple sclerosis in an Ecuadorian tribal weapon – with wider results that live on in medicine today


dwarf galaxy

So long, suckers: Where have all the black holes gone?

17 January 2018

The universe is well-stocked with black holes large and small, but none in medium. Strange dwarf galaxies might hold the answer


syringes

How 'stem cell' clinics became a Wild West for dodgy treatments

17 January 2018

Hundreds of clinics offering unregulated stem cell therapies have sprung up across the US and Australia thanks to lax oversight


Source of world’s biggest listeria outbreak still unknown

Source of world’s biggest listeria outbreak still unknown

17 January 2018

There have been almost 750 cases of listeriosis in South Africa so far, and the source of the food poisoning infection remains unknown


Lemurs

All other primates live their lives according to a simple rule

17 January 2018

Hundreds of species of primate all form groups of the same five sizes, suggesting that the ecosystems in which they live strongly shape their lifestyles


blood test

Bowel cancer test may be a much better way to screen for polyps

16 January 2018

A new blood test seems to be more than twice as good at detecting bowel cancer than the method currently used to screen for polyps and early bowel cancer


A capsized oil tanker is releasing invisible toxins into the sea

A capsized oil tanker is releasing invisible toxins into the sea

16 January 2018

The slick of oil condensate from a stricken tanker in the East China Sea is a threat to all marine life, not least because it is invisible


Close-up of a human eye

Blindness treatment will insert algae gene into people's eyes

16 January 2018

Optogenetic techniques that use light to control nerve cells are being tried in people at last – and could lead to treatments for several types of blindness


Mount Etna may not really be a ‘proper’ volcano at all

Mount Etna may not really be a ‘proper’ volcano at all

15 January 2018

Italy’s famous volcano Mount Etna may be fed mostly by hot water and carbon dioxide, with only a small dose of molten rock to make it resemble a classic volcano


DNA of man who died in 1827 recreated from his living relatives

DNA of man who died in 1827 recreated from his living relatives

15 January 2018

The DNA of Hans Jonaton, an ex-slave who fled to Iceland in 1802, has been reconstructed using only the genes of his descendants


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