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Terrestrial hermit crabs only smell their favourite snacks when water is around
Terrestrial hermit crabs love peanut snacks, but can only smell them when it's wet. Illustration Irene Goede. Used with permission. The Caribbean hermit crabs in Anna-Sara Krång’s laboratory are no...
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The floor is yours!
Carving blog posts one by one. Photo theangryblender Today, the Scientific American blogging network celebrates its very first birthday. It has been a tremendous ride so far, and I would really like to...
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The grandmother and her genes: a grandson’s perspective
Photo by redwood1 Somewhere deep in my grandmother’s veins, a blood clot breaks free. Her blood carries the clot past her heart, to her lungs, where it becomes stuck in a pulmonary artery. This is when...
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Book review: Survival of the Beautiful
Satin bowerbirds decorate their bowers with all things blue. Picture by thinboyfatter. Sometimes all you have to do to make me buy your book, is think of a good title. Survival of the Beautiful by...
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Animal vision evolved 700 million years ago
All animal eyes and eye-spots contain opsin, a protein that captures light. This is the compound eye of Antarctic krill. Photo by Gerd Alberti and Uwe Kills Gaze deep into any animal eye and you will...
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How genetic plunder transformed a microbe into a pink, salt-loving scavenger
The Pink Lakes in Australia are coloured pink by salt-loving microbes. Photo by Neilsphotography. Most cells would shrivel to death in a salt lake. But not the Halobacteria. These microbes thrive in...
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The sexy sabercat: how the sabertooth got its teeth
Homotherium was a sabercat that survived until the last Ice Age. This skull is from the Muséum national d'Histoire naturelle in Paris. Many sabertooths have stalked this world. The first sabertoothed...
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