Friday, January 8, 2010

Polar Bears Forced To Land And Water

Polar bears depend on sea ice for hunting, breeding and denning. The bears wait for seals to pop up through breathing holes in the ice, but since the ice is melting earlier and earlier in the year, polar bears are shifting there habitat to land and water, and may be missing out on hunting opportunities. Credit: USGS

From Live Science:

As Arctic sea ice melts, polar bears are changing their habitat, shifting from their preferred ice hunting grounds to land and open water, according to a new long-term study.

The findings have implications for people as well as polar bears, since the shift makes it more likely that humans will encounter these large animals on land, the researchers say.

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Dark Roasted Blend: Weird & Wonderful Things in 2009

From The Dark Roasted Blend:

Promoting "sense of wonder" and intense exploration of our world and beyond, shamelessly cynicism- and nihilism- free, "Dark Roasted Blend" is happy to serve our readers since 2006. As a sort of overview, but mostly trying to highlight the themes and articles of 2009 that you might have missed, here is a roundup of the most popular and interesting posts on DRB (arranged by months):

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Top 10 Places You Can’t Go

#1: RAF Menwith Hill

RAF Menwith Hill is a British military base with connections to the global ECHELON spy network. The site contains an extensive satellite ground station and is a communications intercept and missile warning site and has been described as the largest electronic monitoring station in the world. The site acts as a ground station for a number of satellites operated by the US National Reconnaissance Office, on behalf of the US National Security Agency, with antennae contained in a large number of highly distinctive white radomes, and is alleged to be an element of the ECHELON system. ECHELON was reportedly created to monitor the military and diplomatic communications of the Soviet Union and its Eastern Bloc allies during the Cold War in the early 1960s, but since the end of the Cold War it is believed to search also for hints of terrorist plots, drug dealers’ plans, and political and diplomatic intelligence. It has also been involved in reports of commercial espionage and is believed to filter all telephone and radio communications in the nations which host it – an extreme violation of privacy.

From List Verse:

The world is full of secret and exclusive places that we either don’t know about, or simply couldn’t visit if we wanted to. This list takes a look at ten of the most significant places around the world that are closed to the general public or are virtually impossible for the general public to visit.

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100 Quotes Every Geek Should Know

Image by Wikimedia user Xander.

From Geekdad:

One thing that every geek can do is quote their favorite geek-culture media, whether it’s movies, books, television, theater or music. The GeekDads have tried to compile a list of such quotes for your enjoyment. This list is certainly not definitive. Indeed, it’s only the beginning! Feel free to add your own (clean) ones in the comments below.

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Aboriginal Folklore Leads To Meteorite Crater

Researchers are using Aboriginal dreaming stories and Google Maps to
find new meteorite impact craters. Credit: Google Maps


From Cosmos:

SYDNEY: An Australian Aboriginal 'Dreaming' story has helped experts uncover a meteorite impact crater in the outback of the Northern Territory.

Duane Hamacher, an astrophysicist studying Aboriginal astronomy at Sydney's Macquarie University, used Google Maps to search for the signs of impact craters in areas related to Aboriginal stories of stars or stones falling from the sky.

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Samsung 9000 Series 3-D TV Is No Thicker Than a Pencil

Samsung LED9000: It's a bit slim

From Popular Science:

Samsung is going whole hog into 3-D with their newly announced TV lineup, but at the top is the 9000 series: an LED-backlit panel that's just 0.3 inches thin. And on its remote. a color touchscreen that can carry broadcast TV while you watch a Blu-ray disc.

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China Threatens To Slam Brakes On Price Of Lead

E-bikes were a feature of the Beijing Olympic Games last year, but reclassifying some of them as motorcycles will have an impact far beyond sales figures

From Times Online:

After a surge of more than 125 per cent, the price of lead ends the year in limbo — its future at the mercy of Chinese bureaucracy, the stroke of a pen and the legal status of 100 million electric bicycles.

The cycles in question, known as “e-bikes”, are battery-enhanced machines that are the darlings of the modern, urban Chinese. More than 20 million were sold this year, putting a vast army of commuters, unable to afford cars or motorcycles — and without licences — on the roads at a sedate maximum speed of 12 km/h (7½ mph).

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Whistleblower Web Site Goes Dark, Seeks Funding

From FOX News:

A Web site that for years has let anonymous whistleblowers break stories of corruption and government malfeasance has gone dark and is expected to remain offline until it finds funds to support its operations and fend off lawsuits.

A Web site that for years has let anonymous whistleblowers break stories of corruption and government malfeasance has gone dark and is expected to remain offline until it finds funds to support its operations and fend off lawsuits.

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Hubble Telescope Captures Earliest Images Of Universe - When It Was Just A 'Baby' At 600 Million Years

Deep space time: the Hubble picture shows the earliest ever seen galaxies which are circled in the boxes in the inset images on the left

From The Daily Mail:

The Hubble telescope has captured the earliest image yet of the universe - just 600 million years after the Big Bang.

It is the most complete picture taken in near-infrared light of the early universe, showing the first infant star clusters.

To give some perspective, the light left these galaxies 8billion years before our own Sun and Earth had even formed.

Scientists released the 'baby pictures' at a meeting of the American Astronomical Society.

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Thursday, January 7, 2010

First Earth-Like Planet Spotted Outside Solar System Likely A Volcanic Wasteland

How similar is exoplanet CoRoT-7b to Earth? The newly discovered extra-solar planet (depicted in the above artist's illustration) is the closest physical match yet, with a mass about five Earths and a radius of about 1.7 Earths. Also, the home star to CoRoT-7b, although 500 light years distant, is very similar to our Sun. Unfortunately, the similarities likely end there, as CoRoT-7b orbits its home star well inside the orbit of Mercury, making its year last only 20 hours, and making its peak temperature much hotter than humans might find comfortable. (Credit: ESO/L. Calcada)

From Science Daily:

Science Daily (Jan. 7, 2010) — When scientists confirmed in October that they had detected the first rocky planet outside our solar system, it advanced the longtime quest to find an Earth-like planet hospitable to life.

Rocky planets -- Earth, Mercury, Venus and Mars -- make up half the planets in our solar system. Rocky planets are considered better environments to support life than planets that are mainly gaseous, like the other half of the planets in our system: Jupiter, Saturn, Uranus and Neptune.

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Vampires Among Us: From Bats To Psychics

Films such as Daybreakers are examples of the
public's fascination with vampires. Credit: Lionsgate


From Live Science:

The new film "Daybreakers," which opens Friday, is set in 2019, after a global virus outbreak has transformed most of the world's population into vampires. This is not good news for the small remaining population of humans, who become the sole source of blood. Vampires are of course very popular in books and on the silver screen, especially recently. But are they real?

The answer depends on how literally you define "vampire."

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What An Anti-Climax: G-Spot Is A Myth

While 56% of women overall claimed to have a G-spot,
they tended to be younger and more sexually active.


From Times Online:

A sexual quest that has for years baffled millions of women — and men — may have been in vain. A study by British scientists has found that the mysterious G-spot, the sexual pleasure zone said to be possessed by some women but denied to others, may not exist at all.

The scientists at King’s College London who carried out the study claim there is no evidence for the existence of the G-spot — supposedly a cluster of internal nerve endings — outside the imagination of women influenced by magazines and sex therapists. They reached their conclusions after a survey of more than 1,800 British women.

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The Rise Of Robodoc

The Acrobot Robot, which helps orthopaedic surgeons
to carry out computer navigated partial knee replacements


From The Independent:

Many operations are becoming less invasive and more efficient due to the growth of cyber-surgery. Nina Lakhani on a British medical success story.


While surgeons are often criticised for their brusque bedside manner, few could accurately be described as robots. This is going to change as surgical consultations increasingly involve robotic systems to help diagnose, plan operations and reassure patients.

The development of robotic systems, both active and passive, is enabling surgeons to use keyhole techniques in hard-to-reach areas not previously thought possible. Britain is at the forefront of many advances. Collaborations between NHS surgeons, universities and private companies enable Britain to develop robotics more quickly and cheaply than North American and European counterparts.

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Using A Mobile Phone May Improve Memory And Stave Off Alzheimer's Disease

Mobile phones may stave off Alzheimer's Disease Photo: GETTY

From The Telegraph:

Talking on a mobile telephone can improve memory and protect the mind from Alzheimer's disease, according to new research.

Tests suggested that exposure to radiation from the devices had a beneficial effect on the mind and could even reverse the effects of Alzheimer's.

The surprise findings contradict some previous studies that have suggested mobiles can cause Alzheimer's and brain cancer.

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Solar System May Be More Compact Than Thought

A cloud of comets surrounds the main disc of the solar system - new research suggests the cloud may be more compact than previously thought (Illustration: T Pyle/SSC/JPL-Caltech/NASA)

From The New Scientist:

The solar system may be significantly more compact than previously thought, according to a new computer simulation of the cloud of comets that enshrouds the solar system. The work suggests the cloud may not contain as much material as once suspected, which could resolve a long-standing problem in models of how the planets formed.

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Galileo Space Navigation System To Be Ready In 2014

Photo: Use of basic Galileo services will be free,
while high-accuracy capabilities will be restricted to paying users


From Deutsche Welle:

After much delay, the European Commission has awarded contracts for work to start on building the highly-anticipated Galileo space navigation system. The first 14 satellites will be built by a German company.

The European Commission announced on Thursday that the long-delayed Galileo project, the European alternative to the American GPS satellite navigation system, will begin operation in 2014.

The Commission has awarded the German company OHB System AG a 566 million euro (813 million dollar) contract to build the first 14 satellites for the EU's new space-based navigation system.

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Skiff E-Reader Has Some New Tricks


From Popular Mechanics:

LAS VEGAS—The barrage of new products from CES includes a number of e-Ink devices, all lining up to dislodge the Kindle from its perch at the top of the market. Among the double fistful of readers for sale in 2010 will be the Skiff Reader, a sleek 11.5-inch device that has received a healthy share of buzz in the past few days. We've refrained from writing about Skiff until now because it's backed by Hearst, Popular Mechanics' own parent company, and because over the past year we've been sharing ideas on the device with the company's development team. (As you can see from the photo, we've created sample content for Skiff that will be shown this week in Las Vegas.)

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Tripping The Light Fantastic: 66 Black Holes Found 'Dancing' The Galactic Night Away

Hubble Space Telescope images of two small galaxies colliding to form one

From The Daily Mail:

It is the ultimate dance routine but get too close and it may be your last.

A team of astronomers have discovered 33 pairs of 'waltzing' black holes in distant galaxies which will eventually combine to form one.

Nearly every galaxy has a central super-massive black hole with a mass up to a billion times the mass of the Sun and galaxies often collide.

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97 Reasons To Quit Smoking

Image: (FOTOLIA/ISTOCKPHOTO)

From Health.com:

1. You won't have to pay more and more and more and more each year.
Yup, taxes will almost certainly continue to go up. New Jersey, Vermont, and Connecticut are among the states leaning harder on smokers for revenue, but even some tobacco-growing states are beginning to milk the coffin-nail cash cow. Lawmakers' reasoning: There is evidence that price increases cause smokers to reduce consumption. And the medical costs of smoking are astronomical—a huge burden to the states.

2. You'll inhale fewer germs.
New research suggests cigarettes are crawling with germs, which can be inhaled along with the smoke. It’s not clear if the germs can make you sick, but the yuck factor is undeniable.

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Physicists Beginning To See Data From The Large Hadron Collider

Last month the ATLAS experiment at the Large Hadron Collider began recording proton-proton collisions at a record energy of 2.36 trillion electron volts. Image courtesy of the ATLAS experiment. (Credit: Image courtesy of Iowa State University)

From Science Daily:

Science Daily (Jan. 7, 2010) — Three Iowa State University physicists who took winter trips to the Large Hadron Collider for meetings and experimental work are starting to see real data from the planet's biggest science experiment.

Finally.

The multibillion-dollar collider made international news on Sept. 10, 2008, when it sent its first beam of protons around 17 miles of underground tunnel near Geneva, Switzerland. But breakdowns in the machine's high-current electrical connections forced a complete shutdown for more than a year of repairs and tests.

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