বুধবার, ৩ এপ্রিল, ২০১৩

Today on New Scientist: 2 April 2013

Antarctic ice grows as climate warms

Counter-intuitively, global warming may be cooling the surface waters of the Southern Ocean, increasing the extent of Antarctic ice

DNA transistors pave way for living computers

Transistor-like devices have been made out of DNA, making biological gadgets with built-in circuitry possible

Vast cache of rare earth elements found in Japan's mud

A deposit under the Pacific Ocean gives Japan a new source of the valuable rare earth metals commonly used in electronics

Robot dragonfly mimics four-winged flight manoeuvres

Watch a new robotic dragonfly copy the flight of the real insect

Has technology forced us into a 'present shock'?

In Present Shock, Douglas Rushkoff says everyday technologies have destroyed our sense of perspective, but his insights need better backup

Pollution in US rivers is widespread and will persist

More than half of the country's streams and rivers are in a poor condition for aquatic life, according to the Environmental Protection Agency

Lost in the cloud: How safe are your online possessions?

In the digital age, your files and memories are not truly yours any more, says Douglas Heaven. They belong to the cloud

Google doodle exalts artist and scientist Maria Merian

Today's Google doodle commemorates Maria Sibylla Merian - entomologist, botanical illustrator, explorer and pioneering female scientist

US ruling threatens second-hand digital market

A US judge has ruled that resale of digital content infringes copyright, effectively shutting down the market for used digital goods

Cherry-blossom volcano spews forth lava and lightning

Sakurajima volcano, on the southern tip of Japan, is almost constantly erupting - and sometimes there's accompanying lightning

Time to get smarter about stupidity

If we want to avoid repeating past mistakes, we must acknowledge that even the brightest people can do monumentally daft things

Palaeo-trends: Separating fact from fantasy

Are our genes are out of sync with modern life? Should we live more like our hunter-gatherer ancestors? Evolutionary biologist Marlene Zuk takes a look

Stupidity: What makes people do dumb things

Human intelligence varies astonishingly. Why didn't evolution make us all geniuses, and why do even those with high IQ act like fools, asks Sally Adee

Ships must kill off the beasties in the ballast water

Dangerous biological stowaways could easily be banished from ships' ballast. It's a disgrace that rich nations won't play ball, says Fred Pearce

Huge online attack exposes internet's vulnerability

The largest online attack ever reported - which may have slowed down the internet itself - is over, but the next battleground is already emerging

Speedy astronauts make fastest trip yet to the ISS

For the first time, astronauts riding a Soyuz capsule to the International Space Station have launched and docked in under 6 hours - it usually takes days

Should we aim to live like cavemen?

"Palaeo" lifestyle trends are popular at the moment - but they are rooted in evolutionary myths, says biologist Marlene Zuk

Italy pushes on with controversial stem cell therapy

Patients already being treated by the Stamina Foundation will be allowed to continue, amid protests that the therapy is unproven and unsafe

Feedback: Biology book only costs $23 million

Million-dollar books, Belgian asteroids, non-existent dates, and more

Smell-o-vision screens let you really smell the coffee

A system which can create and direct smells gives the illusion that you can smell the individual food items advertised on a screen

Outcast black holes surround the Milky Way

Computer simulations show that as many as 2000 black holes kicked out of their host galaxies might live in the Milky Way's outskirts

Europe to be battered by Sandy-style superstorms

Western Europe may be hit by intense hybrid storms later this century, as climate change will cause Atlantic hurricanes to form further east

Astrophile: Mighty Trojan found marching with Uranus

An "impossible" asteroid is sharing the giant planet's orbit, and it hints at the possibility of Earth-like worlds in unexpected places

Termites are the 'fairies' behind weird desert rings

Mysterious circles of lush grass surrounding barren sand in African deserts have bugged scientists for decades. It turns out they're cultivated by termites

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