Articles by Rachel K Wentz

Rachel K Wentz



Latest from this author

Snapshot Serengeti Captures African Wildlife at Its Best

What do you get when you post over 200 cameras across an African savanna? A whole lot of pictures and a tremendous amount of data, all of which must be analyzed and catalogued for use in research. So the scientists conducting the project, Snapshot Serengeti, turned to a reliable work force to sort through the masses by enlisting a dedicated corps of volunteers.

How Big Is 'Big' When We’re Talking Dinosaurs?

When paleontologist Kenneth Lacovara of Drexel University in Philadelphia first uncovered the bones of the creature Dreadnoughtus, from the rocky plains of Patagonia back in 2005, scientists agreed it was big. It was initially estimated to weigh around 65 tons and stretch 85 feet in length when it roamed the planet over 75 million years ago. But new research indicates revisions may be in order, for perhaps the behemoth wasn't quite so huge.

Surfer Joins the Ranks of SeaWorld Critics

As if SeaWorld doesn't have enough to worry about, now professional surfers are piling on, demanding the release of the park's killer whales into seaside sanctuaries. And it all started with a documentary.

The Viral Behemoth That's Taking Over Facebook—Shark Encounter Caught on Tape

It's just a shark. OK, it's a really big shark, possibly the largest ever captured on camera. And since Mauricio Padilla posted his close encounter with the behemoth on Facebook, it's been viewed more than three million times by folks who can't seem to get enough of internet animals.

Ancient DNA Provides Clues to Migration, Language and Lactose Tolerance

Advancements in modern DNA technology are providing a deeper and more refined glimpse into ancient populations, revealing timetables for human migrations, the influx of languages, and even the physical attributes of prehistoric populations.

Beachgoers Beware: Danger Lurking off Florida’s Coasts

There's a new danger lurking along Florida beaches. No, not sharks, although with so many tourists bobbing in the water, someone's bound to be nibbled. The new threat is in the form of a bacterium that, like the summer swimmers it preys upon, simply loves the warm water.

Woman Who Received Her Own Ovarian Transplant Has Successfully Given Birth

Fourteen years ago, a young girl from the Republic of Congo, diagnosed with the debilitating disease, sickle cell anemia, was preparing for chemotherapy to increase blood production. Knowing the treatments would leave her infertile, her doctors froze a small portion of her right ovary. Now, following successful transplantation of that same ovarian tissue, the woman has given birth to a healthy baby boy.

Drunken Chimps of Bossou, Guinea use Clever Means to Pinch Palm Wine

As if sharing 99% of our DNA was not proof enough of our close relationship with chimpanzees, here's another thing we have in common: like us, chimps enjoy alcohol.

MERS May Be Waning, But Steer Clear of Camels

Officials in South Korea may be breathing a sigh of relief as the MERS outbreak, which has closed over 2,000 schools and quarantined over 3,000 people, passes its critical two-week incubation period. And with infections mainly restricted to hospital settings, even health officials suggest the danger may be waning.

San Francisco May Be First City to Impose Warning Labels on Sugary Sodas

In an effort to combat the obesity epidemic sweeping the U.S., San Francisco may be the first city in the country to enforce warning labels on advertisements for sugar-laden soft drinks, placing soda on par with alcohol and tobacco when it comes to dangers to your health.

Parasitic Feline Feces linked to Future Mental Illness

Bad news for cat lovers. A new study published in the journal Schizophrenia Research indicates a possible link between childhood cat ownership and increased risks of developing schizophrenia and other mental illnesses later in life.

NASA Launches “Flying Saucer” Decelerator with Mixed Results

With a looming 2020 deadline, NASA performed another test launch Monday of its new "flying saucer" spacecraft, the Low-Density Supersonic Decelerator, which is designed to provide controlled descents onto the surface of Mars during future planned missions. And how did the LDSD fare? Let's just say the mission had mixed results.

Watch as Sword-Wielding Robot Out-Slices the Master

Robots have just entered a new realm: they are now wielding swords. The Japanese robotics company, Yaskawa Electric Corporation, has just released a video of their latest creation, a robotic arm programmed to brandish a katana with as much precision and speed as the world's most accomplished master swordsman.

Good News for the LightSail Spacecraft – 'The Sail Has Deployed!'

More good news for non-profit space exploration organization the Planetary Society, led by CEO Bill Nye (The Science Guy), who last month launched their first CubeSat into orbit to test the deployment of its revolutionizing solar sail. After a series of technological glitches, the successful unfurling came as a welcomed relief.

Doctors Identify Complete Viral History using a Single Drop of Blood

Researchers have devised a method of identifying a person's complete viral history using a $25 blood test and a single drop of blood.
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