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Carbon Dioxide Is Not Toxic, but The Moon Is
July 12, 2018
Too much of something can be bad, but too little can also be bad. We examine the influence of carbon dioxide in earth’s atmosphere. Scientists seem conflicted about CO2 (carbon dioxide). It gets blamed for all kinds of bad things, but with few exceptions, every living thing either takes it in or gives it off. […]
Design of Life Update: Butterflies
March 8, 2017
Illustra Media’s trilogy of documentaries only began to uncover the wonders of life. Here are updates on the series’ featured animals, this one on butterflies. Watch an amazing time-lapse video of butterfly wings developing in the chrysalis made by Nipam Patel of University of California at Berkeley. His lab assistant was able to extract tissue […]
Elephants, Mammoths, and Terror: The Ivory Trade Crisis
August 28, 2015
Terror organizations are slaughtering elephants at alarming rates to sell the ivory in Asia and buy weapons. What to do?
Animals Have Biological GPS
April 30, 2012
Global Positioning System (GPS): that's a function. Maintaining a suite of satellites is one method for achieving the function. But there are other ways to figure out where in the world you are, and two very different animals show the way – naturally – using Earth's global magnetic field.
Poison Rat: Did It Evolve?
August 3, 2011
The African crested rat has a unique way of deterring predators. It licks the bark from a poisonous tree (the same one native hunters use to poison their darts), and licks it onto its fur. Any predator that tries to eat the rat becomes very sick, and quickly learns to keep its distance. This kind of defense has been seen in other animals, but is the first known case of a mammal using a substance from another organism to make itself toxic to predators. Is it a classic case of evolution?