Spend four minutes looking at and listening to this Galapagos Tortoise, the largest species of tortoise, the 10th-heaviest living reptile, and one of the longest-lived vertebrates on our planet. These animals can live over 100 years average in the wild, and over 150 years in protected captivity.
Extreme Tortoise Close-Up!
Arlo Midgett set up his camera near a tortoise and the old creeper moseyed on over to investigate. I promise you, if you set this to full screen and HD, you’ll never look at a tortoise the same way again…
…Why DO they live so long? The short answer is “because it’s an evolutionary advantage based on their environment and reproductive process.”
The long answer is much more interesting, and can be found here at Slate.
The Galapagos Tortoise is currently listed as endangered. Only about 15,000 individuals remain.
From Science Nation, mathematician and mechanical engineer David Hu studies the design and movement of slithering snakes:
Snakes certainly make it look easy when they slither forward, leaving perfect S-curve tracks behind them, but scientists have long been puzzled by the mechanics of their locomotion. Now, after a series of experiments and some computer modeling, David Hu has cracked the case. With funding from the National Science Foundation, he is using math to determine how snakes slither and it turns out they move in a very different way than scientists have long thought.