Red sprites, secondary jets and newly discovered green afterglow called "ghosts" triggered by red sprites. A dozen vibrant red sprites were recorded on this evening and only two events had the green afterglow.... continue reading
posted by newtboy 3 years 9 months 2 weeks ago • 985 views • 2:32Videos (98) | Sift Talk (1) | Blogs (0) | Comments (1000) |
"The Aedes aegypti mosquito, which can transmit dengue fever and Zika, makes a meal of us around our homes. And her eggs are hardy. They can dry out, but remain alive for months, waiting for a little water... continue reading
posted by ant 4 years 4 weeks ago • 21 views • 3:51This strange creature was only discovered by marine biologists in 2007 during a deep water expedition. Teuthidodrilus, commonly known as the "Squidworm", is just as flamboyant as it is strange in appearance.... continue reading
posted by newtboy 4 years 3 months 3 weeks ago • 778 views • 3:38Why do all the pictures you take underwater look blandly blue-green? The answer has to do with how light travels through water. Derya Akkaynak, an oceangoing engineer, has figured out a way to recover... continue reading
posted by newtboy 4 years 5 months 3 weeks ago • 1,586 views • 3:56YouTube description: Let's journey deep into the cells themselves to take a look at some of the structures that keep cells alive and others that do... something... that we'll figure out someday... probably.... continue reading
posted by Aard Vark (oritteropo) 4 years 8 months 2 weeks ago • 166 views • 11:31YouTube description: At night, these parasites crawl onto your bed, bite you and suck your blood. Then they find a nearby hideout where they leave disgusting telltale signs. But these pests have an... continue reading
posted by Aard Vark (oritteropo) 4 years 10 months ago • 1,273 views • 4:22"... The eyes are often the first thing we see when we look at someone. And when you look at them up close, everyone’s eye color is a kaleidoscope of shapes and hues. How does eye color work? The answer... continue reading
posted by ant 4 years 11 months 3 weeks ago • 543 views • 6:21An American explorer has descended nearly 11km (seven miles) to the deepest place in the ocean - the Mariana Trench in the Pacific. Victor Vescovo spent four hours exploring the bottom of the trench... continue reading
posted by newtboy 4 years 11 months 4 weeks ago • 1,322 views • 2:14YouTube description: This millipede uses deadly cyanide gas to keep predators at bay. But one beetle can tolerate the toxic defense and rides the millipede like a bucking bronco. Who will win this showdown... continue reading
posted by Aard Vark (oritteropo) 5 years 2 weeks ago • 336 views • 4:33I've heard a lot of discussions about Banksy, but this does a really good job of explaining it from all sides as well as giving it thorough philosophical and historical context. Good stuff.
posted by eoe 5 years 1 month 3 weeks ago • 119 views • 16:31YouTube description: What do Skrillex, David Bowie, Salt-N-Pepa and basically every drum and bass track have in common? They've all used the Amen break, a four-bar drum solo that has become the most... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 1 week ago • 427 views • 4:05YouTube description: It's an all-out brawl for prime beach real estate! These Caribbean crabs will tear each other limb from limb to get the best burrow. Luckily, they molt and regrow lost legs in a... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months ago • 1,053 views • 4:59YouTube description: At first this ghostly octopus drifted past the camera on ROV Hercules flapping wing-like fins, then inverted its webbed arms, ballooning out to reveal eight rows of suckers. This... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months 1 week ago • 499 views • 2:27Computer-generated videos are getting more realistic and even harder to detect thanks to deep learning and artificial intelligence. As WSJ’s Jason Bellini finds in this episode of Moving Upstream, these... continue reading
posted by bobknight33 5 years 6 months 2 weeks ago • 33 views"Because it's hoarding protein. Not just for itself, but for the butterfly it will become and every egg that butterfly will lay. And it's about to lose its mouth... as it wriggles out of its skin during... continue reading
posted by ant 5 years 6 months 4 weeks ago • 76 views • 4:43"Pacific mole crabs, also known as sand crabs, make their living just under the surface of the sand, where they're safe from breaking waves and hungry birds. Some very special physics help them dig with... continue reading
posted by ant 5 years 6 months 4 weeks ago • 90 views • 3:52"Most firefly flashes are pure romance, a sexy form of skywriting. But one variety copies the mating signals of others to lure them to their demise..."
posted by ant 5 years 6 months 4 weeks ago • 20 views • 3:33YouTube description: Their skeletons are prized by beachcombers, but sand dollars look way different in their lives beneath the waves. Covered in thousands of purple spines, they have a bizarre diet... continue reading
posted by Aard Vark (oritteropo) 5 years 7 months ago • 510 views • 4:23YouTube description: Less than 2 percent of the ocean floor has been explored by scientists. “Every time we go to the deep sea, we find new species of organisms,” explains geobiologist Victoria... continue reading
posted by Aard Vark (oritteropo) 5 years 7 months ago • 129 views • 9:46YouTube description: Voracious, venomous and hella leggy, house centipedes are masterful predators with a knack for fancy footwork. But not all their legs are made for walking, they put some to work... continue reading
posted by Aard Vark (oritteropo) 5 years 7 months 2 weeks ago • 507 views • 4:32