Astrophile: Galactic busy-bee solves star conundrum
A star factory more productive than any other has been found - but will a black hole stifle its much-needed work ethic?
Bad science behind unconstitutional US executions
When US courts refuse to accept problems associated with IQ tests it can make the difference between execution and life imprisonment
Death by IQ: US inmates condemned by flawed tests
Despite a US Supreme Court ruling, intellectually disabled convicts are being executed - and it's all down to errors in IQ testing
Why IQs are rising - and how to get better grades
James Flynn, the man who charted our rising IQs, on how modern intelligence has changed - and why women and Asian Americans make better students
Long-term patterns in tropical storm activity revealed
The first global record of prehistoric storms has identified patterns in their activity - and suggests some cyclone-free regions may not be so safe in future
Dramatic loss of sea ice in North-West Passage
These images, captured two weeks apart by NASA's Terra satellite, show a significant retreat of sea ice in the Arctic's North-West Passage
Skin superpower turns squid into living jewel
See how electrically stimulating nerves in squid skin is giving insight into how they change their sparkle
Water shortages hit US power supply
The extended drought is straining nuclear and other forms of power generation
Low sex hormone may increase autism symptoms
Lower levels of anti-Müllerian hormone have been linked with an increased number of symptoms in boys with autism
New remote warfare: Smaller, better, deadlier?
The next generation of drone warfare, with tiny bombs on small craft, will create new risks, warns Paul Marks
Digital doppelgängers: Building an army of you
You could soon exist in a thousand places at once. So what would you all do - and what would it be like to meet a digital version of yourself, asks Sally Adee
Drug allows morphine to relieve pain without addiction
The discovery of a mechanism that separates the pain relief and reward responses to opioid drugs could end the risk of morphine addiction
Workers at Fukushima feel the pressure of blame
Public hostility partly accounts for psychological stress in workers at Japan's most infamous nuclear plant
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