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Science & Tech

'Elegant' Dinosaurs May Have Shaken Their Tail Feathers
Science & Tech  (tags: paleontology, dinosaurs, science, research, discovery, Oviraptors, mating, investigation, archaeology )

- 1384 days ago -
At least one species of dinosaur had a feathered tail "built for flaunting," says University of Alberta scientist Scott Persons, who argues that it is time to update the portrayal of dinosaurs as big, dull, lurching creatures.
Armed Beetles Find a Mate, Whatever Their Size
Science & Tech  (tags: science, research, entomology, beetle, Librodor japonicus, mating, species, study )

- 3129 days ago -
In the world of armed beetles, biggest is usually best, males often fight for mating rights & those with the largest jaws beat off the competition.One species of armed beetle is proving that size doesn't necessarily matter when it comes to finding a mate.
Mating Toads Leap the Species Barrier
Science & Tech  (tags: mating, toads, species barrier, cross species, spadefoot toad, science )

- 3261 days ago -
You'd think it would be a bad idea to mate with another species, but not if you're a spadefoot toad. When the pools are shallow, female S. bombifrons are more likely to choose mates of the other species.
Oral Sex Gene Helps Male Fish Fake It
Science & Tech  (tags: fish, eggs, sperms, fertilization, gene, mating, science )

- 3261 days ago -
As soon as a female has spawned her eggs, she collects them up in her mouth. Males of certain cichlid species in east Africa have evolved a way to increase the odds that females take up their sperm. A gene called csf1ra was responsible.

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