Wednesday, November 23, 2011

Today on New Scientist: 23 November 2011

LHC antimatter anomaly hints at new physics

The Large Hadron Collider has turned up differences in how particles of matter and antimatter decay that the reigning standard model of physics may not be able to explain

Alzheimer's damage reversed by deep brain stimulation

Brain shrinkage in people with Alzheimer's disease can be reversed in some cases - by zapping the degenerating tissue with electrical impulses

How water-bouncing balls mimic skimming stones

Watch how a special ball can ride the waves propelled by its crushed form

Nothingness: Computers are powered by holes

Digital technology wouldn't work without something missing at its heart. Richard Webb recounts the transistor's difficult birth

Our ancestors speak out after 3 million years

An unlikely experiment using plastic tubes and puffs of air is helping to recreate the first sounds uttered by our distant ancestors

Watery secret of the dinosaur death pose

Dinosaur skeletons are often found with head thrown back and tail arched. This may simply be because they have been immersed in water

Saunas could heal your mood and your heart

The little hot rooms may improve heart function and boost levels of "happiness molecule" serotonin, improving mood too

Why there is no such thing as empty space

Watch an animation that explains why a true void isn't possible according to physics

The tiny things that rule the world

An exhibition of microscopic images in Canberra, Australia unveils the bizarre and beautiful world invisible to the naked eye.

Phobos mission phones home as rescue plan is hatched

Incommunicado for the last two weeks, Russia's sample-return mission to Phobos has now finally been contacted. But can its computers be put back on track?

Nothingness: Mathematics starts with an empty set

What's inside an empty bag? Nothing - but that's something on which all mathematics is founded, says Ian Stewart

Chagos islands in sea-level rise controversy

Chagossians have been told that rapid sea-level rise will leave their former island home - now a US military base - uninhabitable in decades. Not all oceanographers agree

Older brains lack access to region for swift decisions

Brain scans show that the striatum, an area of the brain that allows for fast responses, is less well connected in the older brain

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