Why a zoo dissected Marius the giraffe for kids
The young giraffe killed and fed to lions at Copenhagen Zoo had no place in the herd 鈥� but did provide an eye-opening science event for visitors
Red star rising: China鈥檚 ascent to space superpower
China鈥檚 new-found footing off-world is changing the rules of today鈥檚 space race 鈥� find out how the rest of the world is rethinking its strategies
Worried sick: What鈥檚 up with today鈥檚 rampant anxiety?
Anxiety disorders are the most common mental illness of our age, but it wasn鈥檛 always so. Two books approach the topic from two different perspectives
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Nukes over wind turbines? UK R&D policies are warped
Weapons of mass destruction get five times as much public research cash in the UK as renewable energy. Time for a rethink, says Stuart Parkinson
Global child vaccination needs a data boost
Vaccinating the world鈥檚 children saves millions of lives, but the system of monitoring such efforts needs a revamp, says Seth Berkley of the GAVI Alliance
Why so munchy? Cannabis shown to ramp up sense of smell
A study in mice has provided the most complete explanation yet for why marijuana triggers intense hunger pangs, elucidating the role of smell
Climate slowdown? Just wait until the wind changes
The hiatus in global warming can be fully explained by strong winds across the Pacific. But when they end, warming will come back with a vengeance
US 鈥榗limate hubs鈥� to save farms from extreme weather
The US government is creating seven new 鈥渃limate hubs鈥� designed to help farmers handle the effects of global warming, such as droughts and invasive pests
Oldest human footprints outside Africa found in UK
An ancient hominin male and several children were foraging along an estuary in Norfolk almost a million years ago
Matrix villain spawns 177,000 ways to knot a tie
Inspired by a style from the film The Matrix Reloaded, mathematicians have found thousands of new ways to knot a tie. Not all will make it to the catwalk
