If movies were scientifically accurate, here’s how Jaws would pan out: As the film’s signature theme begins to play, a black dorsal fin slinks around the water’s surface. Great white sharks flee in fear as the camera reveals the true menace: a killer whale. Continue reading What Do Great White Sharks Fear? Murderous Orcas
The fossilized remains of an early reptile dating back some 250 million years have been uncovered in the unlikeliest of places: Antarctica. The discovery shows how wildlife recovered after the worst mass extinction in our planet’s history, and how Antarctica once hosted an ecosystem unlike any other. Continue reading Rare Fossil of Triassic Reptile Discovered in Antarctica
The average American eats almost a ton of food a year. This breaks down to roughly 630 of milk, cheese and ice cream, 185 pounds of meat, and an increasingly high dosage of anti-depressants. But where does human flesh fit in? Humans shed something like 500 million skin cells a day. The fact is that these literal millions of shed cells are making it right into our mouths, often—especially—when we think we’re only eating a couple of eggs or whatever. Continue reading How Much Human Skin Does a Person Ingest Over the Course of Their Lifetime?
Our body clocks don’t get much respect. Continue reading A New Blood Test Can Determine Your Biological Clock
An international consortium involving over 50 institutions has announced an ambitious project to assemble high-quality genome sequences of all 66,000 vertebrate species on Earth, including all mammals, birds, reptiles, amphibians, and fish. With an estimated total cost of $600 million dollars, it’s a project of biblical proportions. Continue reading Plan to Build a Genetic Noah’s Ark Includes a Staggering 66,000 Species
Eat poorly, and your body will remember—and possibly pass the consequences onto your kids. In the past several years, mounting evidence has shown that sperm can take note of a father’s lifestyle decisions, and transfer this baggage to offspring. Today, in two complementary studies, scientists tell us how.
With nearly 40 percent of the world’s population now classified as obese, and increasing evidence pointing to sugar as the culprit, people are turning to foods that contain low-calorie sweeteners to give them the sweet taste they enjoy, without the risk of gaining weight. However, new research from George Washington University in the U.S. suggests that artificial sweeteners may actually increase a person’s risk of becoming obese. Continue reading Your Low-Calorie Sweetener Could Be Making You Fat