Tiktaalik, a fish-like creature that lived 375 million years ago, is a prime example of a transitional species — something between the ancient fish that swam in the seas and the ancient primitive amphibians that moved about on land. Discovered in Northern Canada in 2004, it represents the earliest example of front legs that we've found, so far, in the fossil record. Now, thanks to the discovery of some newer specimens that include the Tiktaalik's rear end, scientists also think it might be the earliest example of hind legs, too. Or, at least, proto forms of the hind leg. That's significant, because it suggests that animals were developing features that would become four legs before they actually started spending a lot of time on land. Previously, researchers had speculated that two-legged creatures might have been the first to move about on land. Now, it looks like the first land-fish were scooting about with their weight supported on back limbs as well as front.
How to celebrate the discovery of a more-complete Tiktaalik fossil and a view of the earliest back legs ever seen by human eyes? How about with an evolution-themed "Wrecking Ball" parody, starring biologist and science TV host, Carin Bondar.
Eliza writes, “A researcher from Lehigh University has invented a light-based pacemaker for fruit flies, and says a human version is ‘not impossible.’ The pacemaker relies on the new technique of ‘optogenetics,’ in which light-sensitive proteins are inserted into certain cells, allowing those cells to be activated by pulses of light. Here, the proteins were […]
“A sneezing monkey, a walking fish and a jewel-like snake are just some of a biological treasure trove of over 200 new species discovered in the Eastern Himalayas in recent years,” reports the World Wildlife Foundation today.
It’s time for a power upgrade — throw out that tired-out power strip and swap in this family-size USB charger, packed with 6 high-speed ports. With a built-in control chip, Kinkoo optimizes each port to ensure the fastest charging possible for all your devices. The Kinkoo is made from high-grade and durable materials so you […]
Watching Netflix, Hulu or other streaming services can unfortunately be difficult while traveling outside the US. Rather than bypass these restrictions with the help of a complex and slow VPN, choose a faster and simpler solution with Getflix. Instead of rerouting all your Internet traffic through a different server, this handy service only routes the […]
Shake, stir, and muddle your way to delicious homemade cocktails with this must-have bar set. Expect only the finest quality tools from MakersKit — enabling you to unleash your inner mixologist.Top 12 Favorite Things of 2014, Sunset MagazineQuart-size vintage-style Mason jar shakerRetro double jigger for accurate measurementsStrainer & spouts for a mixologist-style smooth pourHardwood muddler […]