This broken gene may have turned our ancestors into marathoners—and helped humans conquer the world

Despite our couch potato lifestyles, long-distance running is in our genes. A new study in mice pinpoints how a stretch of DNA likely turned our ancestors into marathoners, giving us the endurance to conquer territory, evade predators, and eventually … Discuss

Source: The Free Dictionary

These baby beetles are masters of deception. Here’s how they invade bees’ nests

Blister beetles are born with a mission: Infiltrate a bee’s nest. And they waste no time getting to work. The larvae emerge from their eggs by the hundreds, climb the nearest blade of grass and coalesce into a wriggling ball of bodies and faux bee … Discuss

Source: The Free Dictionary

Where did the trash in the Great Pacific Garbage Patch come from? How do we stop it?

The water bottle could be from Los Angeles, the food container from Manila, and the plastic bag from Shanghai…. But whatever its specific source, almost all of the trash in the infamous Great Pacific Garbage Patch comes from countries around the … Discuss

Source: The Free Dictionary

Omnivore sharks? California scientists find bonnetheads digest greens as well as meat

A four-year study by scientists at the University of California, Irvine found that bonnethead sharks don’t just eat crabs and other small fish, but also live off a diet of sea grass. Researchers at the School of Biological Sciences called the bonnethead … Discuss

Source: The Free Dictionary

‘Predatory Bacteria’ Might Be Enlisted In Defense Against Antibiotic Resistance

Here’s a bold idea to fight back against bacteria that can’t be stopped by antibiotics: Go after them with germ-eating microbes. That reasoning lies behind an intriguing line of research that might also be put to use in the event of a germ-warfare … Discuss

Source: The Free Dictionary

Does Planet 9 Exist? Mystery Object Will Soon Have Have ‘Nowhere’ to Hide

The mysterious, fabled “Planet 9” will have nowhere to hide once a new astronomical experiment is underway, scientists think. Some scientists believe a mysterious, as-yet-unseen planet might be causing a number of minor planets to take strangely … Discuss

Source: The Free Dictionary

Airport security trays carry more germs than toilets, study reveals

What’s the most germ-filled spot in an airport? The bathrooms? Those crowded waiting areas? The passport checking counter? Surprisingly, none of the above. A new study from a team of experts from the UK’s University of Nottingham and the Finnish National … Discuss

Source: The Free Dictionary