Thursday, July 19, 2012

Today on New Scientist: 19 July 2012

Shocking red algal mat due to new rock-loving species

The red mess strewn over the slopes of Mount Gongga, China, is not the work of an angry god, but rather the result of otherwise harmless algae

Sperm sequencing could help fight infertility

The world's first comparison of single sperm cells reveals the genetic diversity among each man's sperm. The technique used to sequence the sperm could help counter male infertility

Genes predict who places their trust in machines

The high dopamine levels that help you make decisions also determine how likely you are to critically evaluate a computer's instructions

Australian sharks' protected status is under threat

With five fatal shark attacks in 10 months, Western Australia is questioning the need to conserve its great white shark population

No charges to be brought over climategate hack

The UK police has closed its investigation into the hacking of climate researchers' emails, without bringing any charges against those responsible

We can't afford to neglect ways to halt global warming

If we must research climate engineering, sucking carbon dioxide out of the air ought to be higher up our list of priorities

Brain satnav helps surgeons travel to a tumour

A new algorithm tells a flexible probe what route to take to reach deep brain tumours while avoiding critical brain regions en route

Why you are already superhuman

A new exhibition at the Wellcome Collection in London shows how human enhancement isn't always the latest whiz-bang tech

The password you can use without knowing it

People are able to store a 30-digit password in their brains subconsciously. This ability could form the basis of a new security system

Freehand laser cutter creates instant flat-pack design

Draw any design you fancy with a laser pointer - and the laser cutter will do the rest

Tale of two runners exposes flawed Olympic thinking

Testosterone and prosthetics: the latest attempts to draw the line between legality and cheating in athletics offend both science and natural justice

Kissing device lets you send a long-distance smooch

The Kissenger might look like an Easter egg with lips - but it could help you send a smacker to the other side of the world

Intrepid explorer of the microbe jungle in your home

If you think your home is a haven of sterility, read no further. Microbiologist Noah Fierer has taken his microscope to our secret indoor ecosystems

Short sex-filled life of an Australian dumpling squid

After three hours of lovemaking, these colourful animals are so exhausted that their ability to avoid predators and forage for food is sorely reduced

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