More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. There's more to airplane toilets than meets the eye. Breakthroughs, discoveries, and DIY tips sent six days a week. But that incredibly loud sucking sound is actually something of an engineering marvel. In this episode of Ask Us Anything by, we get into all the smelly details of how airplane toilets actually work. Ask Us Anything answers your most outlandish, mind-burning questions--from the everyday things you've always wondered to the bizarre things you never thought to ask. So, yes, there's a reason we can't remember being babies and no, not all cats hate water .

Science Archaeology 1.3 million people share DNA with Maryland's earliest colonists Some are even related to the former colony's first governor. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The exterior of the reconstructed Catholic chapel at Historic St.Mary's City in St. Mary's City, Maryland. Breakthroughs, discoveries, and DIY tips sent six days a week. In 1634, English settlers established St. Mary's City as the first permanent outpost in the colony of Maryland.

Passive sensors and high resolution cameras help this robot find signs of coral reef. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. Coral reefs may soon have new swimming visitors observing their life-rich aquatic metropolises. Developed by the Woods Hole Oceanographic Institution (WHOI) Reef Solutions Initiative, this new underwater surveyor uses a combination of hydrophones, high-resolution cameras, and an onboard computer to find signs of marine life hotspots.

Environment Animals Wildlife'Two-headed snake' confuses predators More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The reed snake is only about eight inches long. Breakthroughs, discoveries, and DIY tips sent six days a week. Only around 600 of the nearly 4,000 known snake species are venomous. The recently discovered Guangxi reed snake () in China is not one of those species, but its alternative defense mechanism is strange enough to keep most predators at bay.

Environment Conservation Land Superbloom turns Redwood National Park's hills purple Riverbank lupine attracts pollinators and shows how prescribed burns can support prairies. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The superbloom about six hours north of San Francisco began in early May. Breakthroughs, discoveries, and DIY tips sent six days a week. Death Valley National Park's ephemeral spring superblooms get most of the attention, but another national park in California has its own impressive floral show this year.

Every week, sloths climb down to do their business on the forest floor--where predators lie in wait. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Sloths can live up to 30 years in the wild. Breakthroughs, discoveries, and DIY tips sent six days a week. Every week, without fail, the three-toed sloth takes a breathtaking, almost suicidal risk--all for the sake of a bowel movement.

The handmade, $4,000 Monster Wolf features solar panels, sensors, and intimidating audio. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The robot scarecrows are used to ward off bears in rural areas. Breakthroughs, discoveries, and DIY tips sent six days a week. Japan's bear problem continues, and the country is running out of the robot wolves that help keep them at bay.

Only 30 of these silver Agnus Dei coins have been discovered. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The front of the coin represents Christ's crucifixion (right). The reverse side has the Greek letters alpha and omega, symbolizing God as the beginning and the end (left). Breakthroughs, discoveries, and DIY tips sent six days a week.

A smile can mean a happy or nervous dog. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. This dog might be smiling. Breakthroughs, discoveries, and DIY tips sent six days a week. When you want to use a smile GIF, at least one in 10 are of dogs that grin or appear to smile, with their mouths wide open.

Science Dinosaurs A new dinosaur dubbed the'Last Titan of Thailand' weighed more than 9 elephants Say hello to the'Nagatitan.' More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. This sauropod lived in present-day Thailand during the Early Cretaceous period. Breakthroughs, discoveries, and DIY tips sent six days a week. Not long before an asteroid crashed into Earth and wiped out most of the dinosaurs, a long-necked dinosaur the size of nine adult Asian elephants may have been near a windy river peacefully eating plants.