Wednesday, 9 November 2011

Today on New Scientist: 7 November 2011

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Single molecule ties itself into famous knot

The tiniest pentafoil knot ever tied could lead to materials with exotic properties

Three elements approved as newest still await names

Darmstadtium, roentgenium and copernicium are now officially named, but official bodies are yet to suggest names for two more additions to the periodic table

Ready for your Mars close up? The probes that took us

A photo gallery of the technological pioneers that gave us a glimpse of our neighbouring planets. Images from Philippe S?gu?la's Space Probes

So you want to design your baby?

Bart Fauser and Paul Devroey provide an authoritative tour of the intricacies, pitfalls and ethical labyrinths of assisted conception in Baby-Making

Cat's eye irises don't need brain to adapt to the dark

The muscles controlling the slit-like pupil of a cat's eye do not need nerve signals to move - a light-sensitive pigment in the iris can do the job instead

Nuclear clock could steal atomic clock's crown

The ultimate timekeeper - the atomic clock - has a rival, thanks to a new method for making clocks based on manipulating the atomic nucleus

Spiny ferrofluid performs magnetic ballet

Watch this magnetised liquid dance powered by force fields controlled by a computer programme

Trade war looms over Europe's aircraft carbon tax

The world could be on the brink of a trade war over European Union efforts to impose carbon charges on the emissions of all planes landing or taking off within the EU

Mental problems gave early humans an edge

Did an autistic inventor start a Stone Age technological revolution? Were the first spiritual leaders bipolar? A daring new theory makes the case

A PhD and an MBA together - crazy idea?

Vicky Young knows she is in for a challenge but as she tells New Scientist she hopes the rewards will make the hard work worthwhile

Military robots can leave operators at home

Ground robots could soon be carrying out dangerous missions abroad while their operators control them from the US

Fantastic Voyage probe detects dangerous blood clots

The new probe travels through arteries to take images of clots and pick out molecules that warn which deposits are most dangerous

Thawing microbes could control the climate

As the Arctic permafrost warms up, long-frozen microorganisms will thaw out and start feeding, reshaping the planet's greenhouse gases

Green tea and red laser attack Alzheimer's plaques

Lasers can force drugs into cells to destroy the plaques that cause memory loss in Alzheimer's disease

Most common stars are more life-friendly than thought

Small and cool they may be, but red dwarfs, the most common kind of star, are more likely to support life than we thought

Encryption for transit cards hacked on the cheap

A new way of hacking the 3DES encryption scheme makes it easier to to hack contactless cards used by credit card companies and urban transit systems

Space station may be site for next mock Mars mission

Six men have emerged from the longest isolation experiment ever conducted on Earth - the next stop may be a mock Mars mission in low-Earth orbit

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