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Science News

Location American Science News for 24 Oct 2014

The number of Ebola cases so far this year: 9,936. How many people have been killed by Ebola: 4,877. These are the official figures put out by the World Health Organization, widely regarded as the... authority on the Ebola outbreak in West Africa. Those statistics have been widely circulated, reported, tweeted and retweeted, but the number of deaths related to Ebola is based largely on speculation, not concrete evidence, according to a spokesman for WHO.
'Catastrophic' Ebola Toll inA substantial and quick scaling up of Ebola interventions is needed to prevent a catastrophic number of cases and deaths from the disease in parts of Liberia, a new study suggests.

Telltale Signs of Life Could Be Deepest Yet

Live Science - 24 Oct 2014 23:24
Telltale Signs of Life CouldTelltale signs of life have been discovered in rocks that were once 12 miles (20 kilometers) below the surface -- some of the deepest chemical evidence for life ever found.

Quantum Mechanics from a Classical Multiverse

Physics Buzz - 24 Oct 2014 22:31
Quantum mechanics can be hard to grasp, even for the physicists who use it every day. As a result, people have argued from the very birth of the field about what's really going on in quantum... mechanical systems. To some extent, it doesn't really matter how you interpret things, provided everyone gets the same answers when they solve a physics problem The plot of the movie Hot Tub Time Machine relied on the Many Worlds physics view of time travel. A new quantum mechanical approach may let us check to see if we really are surrounded by infinitely many universes. In a paper published in Physical Review X, physicists  Michael Hall, Dirk-André Deckert, and Howard M. Wiseman have proposed a new view of quantum mechanics that may be testable in a way that could prove that it alone is the...

Famed Physicist Stephen Hawking Joins Facebook

Live Science - 24 Oct 2014 22:15
Famed Physicist StephenStephen Hawking, the world-renowned astrophysicist and author of "A Brief History of Time," has recently joined Facebook.
Creepy: Peering into Spiders'Researchers have developed a new technique that helps them peer into the brain of a jumping spider, an arachnid famed for its excellent vision, and record how the brain cells in its visual system... process images.
Eight-Eyed Horror: PeeringIt's difficult to study the jumping spider's brain, but researchers have found a new technique that lets them analyze the spider's neural activity.
Record-Breaking Near-SpaceAlan Eustace dove from a high-altitude balloon soaring at approximately 135,000 feet. Felix Baumgartner held the record at 128,000 feet.

Can You Get Ebola on Public Transportation?

Live Science - 24 Oct 2014 20:55
Can You Get Ebola on PublicNews that a doctor in New York with Ebola traveled on the subway the day before he developed symptoms of the disease may have some people worried about catching the disease on public transportation.
As many as several hundred thousand doses of two leading experimental Ebola vaccines could be ready by mid-2015, the World Health Organization said Friday, according to Reuters. Human trials for the... treatment candidates are already under way, and another five drugs will begin clinical trials next year, the U.N. health agency said.
Dallas nurse Nina Pham was declared Ebola-free Friday and discharged from the National Institutes of Health facility in Maryland where she received treatment, multiple reports said. Pham was one of... two nurses at Texas Health Presbyterian Hospital to be diagnosed with the virus after treating Thomas Eric Duncan, the first person to die from Ebola in the United States.
DNA obtained from a 45,000-year-old human bone has shown that modern humans and Neanderthals, our closest extinct relatives, first mated nearly 60,000 years ago. The genome extracted from the thigh... bone is the oldest modern human DNA to have been sequenced, according to a paper published in the journal Nature.
A single case of Ebola has surfaced in New York City, underscoring that despite extensive efforts to keep the virus out of the U.S., no plan is infallible.
The New York City Ebola patient was all over the news Friday as anchors and articles frantically tried to determine whether he had spread the deadly disease - where did he go in West Africa, why was... he there, what did he do after returning to the United States? In short, who is he?
Stop panicking: You won't get Ebola on the New York City subway. Even though Dr. Craig Spencer rode the A, 1 and L trains in Manhattan and Brooklyn after he came back from Guinea with Ebola, the... likelihood of contracting the virus on the train is extremely low. But experts say you could catch something else.
European Union leaders have agreed to cut greenhouse gas emissions by 40 percent within 20 years. The agreement was being touted as a "substantial" step forward and the "world's most ambitious,... cost-effective" policy on climate and energy. Some claim the deal fell too short, while others called it a stretch.
Dr. Craig Spencer, New York City's first Ebola patient who recently returned from Guinea, contacted health officials at the first sign of infection on Thursday, but not before he visited his apartment... in Harlem, walked the city's High Line, rode on the subway system, went bowling in Williamsburg and took an Uber (the increasingly popular ride-sharing service that allows people to book rides via their smartphones).
Loggerhead turtles from Cape Verde complete an epic sprint before they turn into chilled-out turtle surfers, like the ones in Finding Nemo

'Living Paint' Transforms Bacteria Into Art

Live Science - 24 Oct 2014 20:27
'Living Paint' TransformsScience-minded artists can use "living paint" to create art inside petri dishes.
US-Funded Research a Waste?An annual report by Oklahoma Sen. Tom Coburn takes liberties with the truth when criticizing federally funded research, scientists say. The senator misrepresents and oversimplifies these studies in... his annual 'Wastebook.'
Ebola Survivor Nurse Speaks AtNina Pham, who caught Ebola while caring for the patient diagnosed in Dallas, was released from a hospital Friday, free of the virus. (Oct. 24)
NYC Doctor Tests Positive ForA Doctors Without Borders physician who recently returned to New York City has been diagnosed with Ebola. Officials are now working to quell panic.

Biological litmus paper detects Ebola strains

New Scientist - 24 Oct 2014 19:30
Litmus paper embedded with DNA from jellyfish and other organisms has the potential to identify any biological molecule - changing how infections are diagnosed
Private company Planetary Resources, which one day hopes to mine asteroids, is preparing to launch a prototype of a telescope designed to find them

Ebola in NYC Is 'No Cause for Alarm,' Mayor Says

Live Science - 24 Oct 2014 18:55
Ebola in NYC Is 'No Cause forA doctor in New York City who recently returned from Guinea in West Africa became the first person in the city to test positive for Ebola. Officials move to prevent the spread of the disease in the... city.