All Stories by Susan Milius
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Horns vs. Sperm: Male beetles on tight equipment budget
A group of dung beetle species that sprout elaborate horns often face trade-offs between horn and testes sizes.
- Animals
Tropical diversity came with time
Species in richly diverse tropics don't evolve faster than do species in temperate zones.
- Animals
Courting Costs: Male prairie dogs seem too busy mating to dodge predators
Male prairie dogs get so distracted during mating season that predators find them easy pickings.
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Wasting Deer: Deer saliva and blood can carry prions
Saliva alone can transmit a brain-destroying disease from one animal to another.
- Animals
Krill kick up a storm of ocean mixing
Scientists have measured living creatures' contribution to the stirring of ocean water, and they found that little kicking krill legs do a lot.
- Animals
Scent Stalking: Parasitic vine grows toward tomato odor
A wiry orange vine finds plants to raid for nutrients by growing toward their smell. With video.
- Animals
Mother deer can’t ID their fawns by call
Fawns can distinguish their mom's voice from another deer's, but a mom can't pick out her fawn's call.
- Animals
Crickets on Mute: Hush falls as killer fly stalks singers
Within just 5 years, singing has nearly died out among a population of cricket on a Hawaiian island.
- Animals
Sexually Deceptive Chemistry: Beetle larvae fake the scent of female bees
Trick chemistry lets a bunch of writhing caterpillars attract a male bee that they then use as a flying taxi on their way to find food.
- Animals
Battle of the Hermaphrodites
A biologist argues that combining the sexes can actually make gender wars worse.
- Animals
Hey, Roach Babe: Male cockroaches give fancy courting whistles
Some male cockroaches whistle at females with surprisingly complex, almost birdlike whistles.
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Moss Express: Insects and mites tote mosses’ sperm
A lab test has shown that mosses have their own version animal-courier system for sperm that's similar to pollination.
