The saw of Pristis microdon whips back and forth to cut down prey in open water and then helps the fish position its dinner at the correct angle for a good gulp.
Found in "Sawfish don't saw" online at: http://www.sciencenews.org/view/generic/id/338962/title/Sawfish_don%E2%80%99t_saw
Video credit: B.E. Wueringer et al/Current Biology 2012
By recording Agama lizards leaping on to different surfaces, researchers calculated the angle of the lizards’ bodies and tails to determine how the creatures use their tails to balance themselves as they fly through the air.
Credit: courtesy of PolyPEDAL Lab, CiBER/UC Berkeley
Human retinal cells race along fibronectin tracks in the first World Cell Race. The winner, fetal bone marrow stem cells, beat out 57 other types of cells.
Credit: World Cell Race
Simulations show an amoeba’s movement through a maze. In the top video, the computerized amoeba is using only differences in the chemical gradient (indicated by colors) to find its way. In the bottom video, the amoeba is leaving faint repellent markers along its way.
CREDIT: I. Hecht
Simulations show an amoeba’s movement through a maze. In the top video, the computerized amoeba is using only differences in the chemical gradient (indicated by colors) to find its way. In the bottom video, the amoeba is leaving faint repellent markers along its way.
CREDIT: I. Hecht
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Endangered red wolves & hunters compete for deer. What are the issues? Begin your journey at WildSides.org on April 30th.
Trailer: vimeo.com/mittelstadt/red-wolf-trailer
Warning: There are graphic images in this trailer
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