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Old 01-08-2012, 02:04 AM   #61
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Default Re: BTE.SE Biggest Thread Ever Science Edition

Meet the grandparents: Researchers use forensics to rebuild 27 faces of man's ancestors, stretching back 7 million years

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An exhibition in Dresden, Germany has used forensic technology to recreate some of the most distant members of the human evolutionary 'family' - ancestors stretching back seven million years.
The 27 model heads were created using fossil remains, and includes a glimpse of sahelanthropus tchadensis, an ancestor dated to about seven million years ago, when our 'hominid 'ancestors' first originated in Africa.

Forensic anthropologists use similar computer-assisted techniques to police teams attempting to reconstruct human remains - and the near-complete skulls of ancestors such as sahelanthropus tchadensis have allowed researchers to reconstruct lifelike faces of what out ancestors might have looked like.
Salhelanthropus tchadensis dates to a time before humans and chimpanzees, our closest evolutionary cousins, became genetically separate.
'Using forensic anthropological methods, the various hominids were recreated not as characteristic ideals, but as individuals,' says the museum. 'Each one tells its own story: where they lived, what they ate, their likely cause of death and much more.'
Some of the oldest spears ever found are also on display - dating back 400,000 years.

'There is little doubt that Africa is the cradle of humanity: this is where the most ancient remains of our ancestors were unearthed,' says the museum.
'The exhibition introduces you to the excavation sites in Africa where scientists are conducting research into the origins of mankind.
'Every step in the scientific process is clearly explained, showing exactly how conclusions are reached.'



















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Old 01-08-2012, 03:46 AM   #62
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Default Re: BTE.SE Biggest Thread Ever Science Edition

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Originally Posted by magnax1
That's ****ing depressing to read.

It is, but this made me chuckle

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At the 2068 Olympics, a major landmark is passed when a black male athlete completes the 100m sprint in less than nine seconds

Even in the future
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Old 01-08-2012, 04:50 AM   #63
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Default Re: BTE.SE Biggest Thread Ever Science Edition

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Old 01-08-2012, 05:49 AM   #64
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Default Re: BTE.SE Biggest Thread Ever Science Edition

http://www.youtube.com/watch?v=Zqmdv...ature=youtu.be

Back To The Future hoverboards will be on the way
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Old 01-09-2012, 01:34 AM   #65
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Default Re: BTE.SE Biggest Thread Ever Science Edition

NASA ****ing made it rain.
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Old 01-13-2012, 12:27 AM   #66
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Default Re: BTE.SE Biggest Thread Ever Science Edition

Discovery Could Lead to an Exercise Pill


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Researchers have discovered a natural hormone that acts like exercise on muscle tissue—burning calories, improving insulin processing, and perhaps boosting strength. The scientists hope it could eventually be used as a treatment for obesity, diabetes, and, potentially, neuromuscular diseases like muscular dystrophy.

In a paper published online today by the journal Nature, the scientists, led by Bruce Spiegelman at the Dana-Farber Cancer Institute in Boston, showed that the hormone occurs naturally in both mice and humans. It pushes cells to transform from white fat—globules that serve as reservoirs for excess calories—into brown fat, which generates heat.

Because the hormone is present in both mice and humans, Spiegelman speculates that it may have served as an evolutionary defense against cold by triggering shivering. He named it irisin, after the Greek messenger goddess Iris, who allowed humans to communicate with the gods in Greek mythology, because exercise appears to "talk" to various tissues in the body via irisin.

Mice given irisin lost a few grams in the first 10 days after treatment, the study shows, and certain genes involved in powering the cell were turned on. Irisin also appeared to reduce the damage done by a high-fat diet, protecting mice against diet-induced obesity and diabetes, according to the paper, whose first author is postdoctoral fellow Pontus Boström.

"We are hopeful, though we have no evidence, that this hormone may embody some of the other benefits of exercise, perhaps in the neuromuscular system," Spiegelman says. If so, it could also be used to treat disorders like muscular dystrophy and muscle wasting.

Researchers still have to figure out how much benefit irisin could provide someone with diabetes or other health problems, says Spiegelman, also a professor of cell biology and medicine at Harvard Medical School. "I'm optimistic," he says. "I just don't want to overpromise and underdeliver."

Harvard Medical School's Dean Jeffrey Flier, an endocrinologist, says he is quite enthusiastic about the new hormone. The study, he says, "opens up a completely new approach to understanding the links between exercise, body weight, and diabetes."

Flier believes irisin offers strong therapeutic potential. "Though much remains to be learned about the action of irisin, and its status in humans with various diseases, this work has the potential to be a game-changer in the field of metabolic disease."

Last month, Spiegelman formed a Boston-based company named Ember Therapeutics to develop his brown-fat research projects, including irisin. The company raised $34 million in series A financing, and is backed by Third Rock Ventures of Boston.

Harvey Lodish, a professor of biology and bioengineering at MIT, and a member of the Whitehead Institute for Biomedical Research, says it may be harder to make irisin into a drug than Spiegelman anticipates. Lodish tried for years to make adiponectin, a hormone he discovered in the mid-1990s, into a similar drug, but never succeeded.

The concentration of both hormones in the blood is already so high that manufacturing enough to make a difference in health is quite challenging, he says. Maybe irisin will be easier to produce, he says, or maybe it could be delivered via gene therapy, in a modified version of the delivery system Spiegelman used in his research—but Lodish is dubious.

However, of Spiegelman's new research, he says, "It's very nice, it's very elegant."

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Old 01-13-2012, 02:10 AM   #67
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Default Re: BTE.SE Biggest Thread Ever Science Edition

I've never understood this desire to get an anti-fat drug. If you sit on your ass all day stuffing your face, then you deserve to be fat. I know a lot of fat people like to throw out the 'it is genetics' card, but that is crap. It just means you might have to work a little harder than the average person not to be a fat slob. I'd rather more funding be spent on cancer and AIDS research, two diseases that claim lives of millions of young and old who previously led healthy and successful lives.
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Old 01-13-2012, 02:11 AM   #68
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Default Re: BTE.SE Biggest Thread Ever Science Edition

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Originally Posted by Anti Hero
Discovery Could Lead to an Exercise Pill




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Sounds similar to what my biochem mentor was trying to isolate from. He was trying to isolate the chemical pathway, but every time he decreased the hormone, the mice would show huge spike in metabolism. Sounds cool but need to find and isolate feedback loops that can cause hormonal imbalance.
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Old 01-19-2012, 11:05 AM   #69
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Default Re: BTE.SE Biggest Thread Ever Science Edition

http://cosmiclog.msnbc.msn.com/_news...h-a-black-hole

First pictures of a black hole may happen.
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Old 01-25-2012, 11:32 PM   #70
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Default Re: BTE.SE Biggest Thread Ever Science Edition

Picture of the Earth 8000x8000 resolution
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Old 01-26-2012, 12:59 AM   #71
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Default Re: BTE.SE Biggest Thread Ever Science Edition

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That is slick!
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Old 01-26-2012, 03:31 AM   #72
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Default Re: BTE.SE Biggest Thread Ever Science Edition

USO at the bottom of the ocean

Disc found at the bottom the size of a jumbo jet, another smaller one near by and what appears to be 'skid marks'
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Old 01-26-2012, 08:09 AM   #73
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Default Re: BTE.SE Biggest Thread Ever Science Edition

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Originally Posted by Anti Hero
USO at the bottom of the ocean

Disc found at the bottom the size of a jumbo jet, another smaller one near by and what appears to be 'skid marks'

wow i am waiting for government official response on that one
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Old 01-26-2012, 12:31 PM   #74
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Default Re: BTE.SE Biggest Thread Ever Science Edition

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wow i am waiting for government official response on that one
swamp gas
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Old 01-27-2012, 01:19 AM   #75
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Default Re: BTE.SE Biggest Thread Ever Science Edition

Worm language

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A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports a new study from the Boyce Thompson Institute (BTI) at Cornell and the California Institute of Technology (Caltech).
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