Forgotten force: The other great cosmic attractor
Could a field 10 million times weaker than a fridge magnet have shaped the universe? New cosmos-penetrating detectors are solving the big magnetic mystery
Five fascinating things revealed by Twitter data
Shares in Twitter are going on sale today. Most interest is focused on its advertising revenue, but there's also a gold mine of information in tweets
Africa's war on cancer kicks off with vaccine trials
A cervical cancer vaccine is being tried out in Ghana this week – it's the front line of the battle to beat cancer before it becomes Africa's next epidemic
Alfred Russel Wallace: A very rare specimen
A hundred years after his death, it is high time to put this evolutionary pioneer in his proper place – as Charles Darwin's equal, argues Stephanie Pain
Drop air pressure to give chickens a stress-free death
Broiler chickens have a miserable life, but knocking them out them with low air pressure before slaughter could give them a more humane death
Data trackers monitor your life so they can nudge you
Once you know everything about a person, you can influence their behaviour. A thousand students with tattletale phones are going to find out how easy that is
We can cut emissions without a global deal
A slowdown in the pace of our emissions shows that nations can make cuts without a UN agreement and without jeopardising economic growth
Eavesdropping on dark sound shrinks the shadow universe
Efforts to listen in to primordial dark matter are helping to refine recent models that suggest some of the elusive particles can build dark atoms
We'll have the tools to spot nearby aliens by 2030
If life is common in the universe, we will have found signs of it by the middle of the next decade, thanks to a new generation of space telescopes
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