TAGGED One of the first two sound-recording tags (small, green device) ever to go for a ride on an Antarctic minke whale stays attached by suction cup for hours. The tag’s recording may have solved a long-standing acoustic mystery.
Ari Friedlaender/Oregon State Univ.
BATTLING BACK Antibiotics such as penicillin attack a bacterium’s cell wall, bursting it (left, shown next to an intact Staphylococcus aureus cell in false color). Some studies suggest that antibiotics also trigger other kinds of damage that could be harnessed in the battle against antibiotic resistance.
CNRI/Science Source
PAIN, NO GAIN Pain made female mice less interested in sex but had no such effect on males, a new study finds.
Rgbspace/istockphoto
RING REMNANTS The mighty ridge adorning Saturn’s moon Iapetus has steep slopes, which researchers suggest is a sign that debris falling from space stacked up and formed mountains on the moon’s surface.
JPL, Space Science Institute, NASA
DEFINING A KINGDOM In the peculiar, shape-shifting world of fungi (Erysiphe guttata shown), a rebellion has broken out against the traditional way of naming species.
L. R. AND C. TULASNE/SELECTA FUNGORUM CARPOLOGIA 1861
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