More autopsies on a body don't mean more answers
Medical examiner Judy Melinek says we shouldn't expect extra autopsies to shed new light on what happened in the Michael Brown shooting in Missouri
Swelling Australian cities harbour ever bigger spiders
Arachnophobes have more reason to steer clear of Australia: as its cities get more built-up, urban spiders are getting larger
Race to electrify rural Africa could help the West too
Investments in mini grid systems aimed at powering up remote parts of Africa may provide a test bed for rural energy infrastructure elsewhere in the world
It would be stupid to ignore a drop in human intellect
The long-term rise in IQ scores might be coming to a halt, but we should focus on improving social conditions rather than worrying about idiocracy
Non-fatal diseases increasingly drive assisted suicide
More people with non-fatal conditions are travelling to assisted dying clinics in Switzerland
Google's fact-checking bots build vast knowledge bank
The search giant is automatically building Knowledge Vault, a massive database that could give us unprecedented access to the world's facts
Brain drain: Are we evolving stupidity?
We got smarter and smarter in the 20th century, but now there are signs that IQs have begun to fall in countries such as the UK and Australia
Digital textbooks adapt to your level as you learn
Struggling with chapter 3? Adaptive textbooks will give you extra, personalised help when you need it
First samples of Antarctic lake reveal thriving life
About 4000 microbe species have been found in Lake Whillans, 800 metres beneath Antarctica's ice sheets, raising hopes for life on Mars and Europa
Seals, not Spaniards, first brought TB to Americas
Seals and sea lions may have brought a form of tuberculosis to the Americas, centuries before the Spanish did so
Neanderthal demise traced in unprecedented detail
A study of 40 archaeological sites in Europe suggests the Neanderthals died out 40,000 years ago, much earlier than thought, and that humans played a role
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