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Posts

April 23, 2014

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9:34 PM | Heaven for Real? PET Scans Offer Clues
The new film "Heaven is for Real" relates a young boy's visit to heaven, though recent brain imaging research suggests a different explanation. Continue reading →
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9:34 PM | Heaven for Real? PET Scans Offer Clues
The new film "Heaven is for Real" relates a young boy's visit to heaven, though recent brain imaging research suggests a different explanation. Continue reading →
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6:00 PM | Bionic Ears Can Help Regrow Auditory Nerves
Australian researchers have found a new way to use cochlear technology to re-grow auditory nerves. Continue reading →
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3:20 PM | Powdered Alcohol for U.S. Market Hits Label Snag
A powder that would give new meaning to mixed drinks may take time to hit the U.S. market, after regulators found a labeling problem.
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2:25 PM | Human Superbugs May Lurk in Cow Dung
A U.S. study has found that cow manure, commonly used to fertilize vegetable crops, contains a high number of genes that can fuel resistance to antibiotics.
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12:03 PM | DNews: Science Says Beards Aren't Sexy Anymore
Studies have shown that beards equate to age, masculinity and dominance. Society has decided that facial hair is considered "attractive," but is this still true?
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8:34 AM | Researchers identify a new variant of Ebola virus in Guinea
In an article which appeared in The New England journal of Medicine on 16 April, researchers from Inserm (Jean Mérieux-Inserm BSL-4 Laboratory, Lyon) and the Institut Pasteur have published their initial findings on the characteristics of the Ebola virus discovered in Guinea. Initial virological investigations enabled them to identify Zaire ebolavirus as the pathogen responsible …
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8:13 AM | How are we different and what gave us the advantage over extinct types of humans like the Neanderthals?
n parallel with modern man (Homo sapiens), there were other, extinct types of humans with whom we lived side by side, such as Neanderthals and the recently discovered Denisovans of Siberia. Yet only Homo sapiens survived. What was it in our genetic makeup that gave us the advantage? The truth is that little is known …
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8:10 AM | First Eurasians left Africa up to 130,000 years ago
A team of researchers led by the University of Tübingen’s Professor Katerina Harvati has shown that anatomically modern humans spread from Africa to Asia and Europe in several migratory movements. The first ancestors of today’s non-African peoples probably took a southern route through the Arabian Peninsula as early as 130,000 years ago, the researchers found. …
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8:04 AM | A plague in your family: A plague in your family The independent evolution of harmful organisms from one bacterial family
For the first time, researchers have studied the Black Death bacterium’s entire family tree to fully understand how some of the family members evolve to become harmful. Contrary to popular belief, the team found pathogenic members of this bacterial family do not share a recent common disease-causing ancestor, but instead, have followed parallel evolutionary paths …

April 22, 2014

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4:58 PM | DNews: Are Students Abusing Adderall?
Drugs like Adderall, Ritalin, and Vyvanse are used by students to treat ADHD. They're intended to help these individuals concentrate, but Laci explains why some students might be taking them too much.
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3:30 PM | DNews: Why Do Some People Become Alcoholics?
Often misunderstood, alcoholism is a very serious issue all across the globe. Trace explains what it means to be an addict, and why the issue has a strong root in the brain.

April 21, 2014

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9:30 PM | Humans May Have Left Africa Earlier Than Thought
Modern humans may have dispersed in more than one wave of migration out of Africa, and they may have done so earlier than scientists had long thought.
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3:45 PM | DNews: The Science of Internet Comments
Is YouTube filled with rude commenters, and does science back that up? Tara examines a new study that compared the comments on YouTube with the comments on other video streaming websites.
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2:55 PM | How Did Maui Stowaway Survive in Jet's Wheel Well?
A 16-year-old boy hitches a ride in the wheel well of a 767 from San Jose, Calif., to Maui. Continue reading →
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2:55 PM | How Did Maui Stowaway Survive in Jet's Wheel Well?
A 16-year-old boy hitches a ride in the wheel well of a 767 from San Jose, Calif., to Maui. Continue reading →
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8:47 AM | DNews: Can Men Suffer From Postpartum Depression?
When new moms experience postpartum depression, it can last for months or even years. Can fathers go through the same thing? Laci discusses why young men might want to wait to have children.
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8:30 AM | DNews: Is Sex REALLY Exercise?
It's commonly believed that sexual intercourse is a great alternative to exercise. Is there any truth to this? Join Trace for a thorough debunking of this myth.
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8:30 AM | DNews: Is Sex REALLY Exercise?
It's commonly believed that sexual intercourse is a great alternative to exercise. Is there any truth to this? Join Trace for a thorough debunking of this myth.

April 18, 2014

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7:08 PM | How Safe Are Ferries?
As divers continue to hunt for survivors of the Sewol ferry in waters off South Korea’s coast, questions remain unanswered.

April 16, 2014

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7:44 PM | Hipster Beard Trend May Have Peaked
A study indicates that we may be maxing out on men's facial hair. Continue reading →
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6:07 PM | Non-vaccine Drug Ready to Fight Measles
A new drug that can be administered orally could contain outbreaks. Continue reading →

April 15, 2014

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11:00 PM | Rivers and Mountains Directly Shape Languages
Geographic features responsible for biodiversity also shape human languages.
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4:08 PM | Viagra Ice Cream Arouses Controversy
The long list of unnatural food combinations just grew a little bigger: Viagra and Champagne ice cream.
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12:55 AM | 'Blood Moon' Myths: Superstitions in the Skies
Tonight's "blood moon" has inspired myths, legends, and superstitions. Continue reading →

April 10, 2014

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10:30 PM | Lab-Grown Vaginas Function in Patients
Four teenage girls have experienced long-term success with implanted vaginal organs that were engineered with their own cells. Continue reading →
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4:44 PM | DNews: 5 Amazing Uses For Spit
Saliva is a disgusting mix of water, electrolytes and mucus. Sure, spit might be gross, but it has a TON of medical benefits! Trace is here to break down some of his favorite ways that spit can help you!
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10:19 AM | Mammalian brain size influences development of individual cranial bones
In mammals, embryonic cranial development is modular and step-wise: The individual cranial bones form according to a defined, coordinated schedule. The typical increase in the size of the brain in mammals in the course of evolution ultimately triggered changes in this developmental plan, as a study conducted on embryos of 134 species of animal headed …
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10:17 AM | A new genome analysis method confirms that Neandertals interbred with the ancestors of Eurasians.
Technical objections to the idea that Neandertals interbred with the ancestors of Eurasians have been overcome, thanks to a genome analysis method described in the April 2014 issue of the journal Genetics. The technique can more confidently detect the genetic signatures of interbreeding than previous approaches and will be useful for evolutionary studies of other …
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10:11 AM | Seeing double: New study explains evolution of duplicate genes
From time to time, living cells will accidentally make an extra copy of a gene during the normal replication process. Throughout the history of life, evolution has molded some of these seemingly superfluous genes into a source of genetic novelty, adaptation and diversity. A new study shows one way that some duplicate genes could have …
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