New research into the anatomy of the primate clitoris using sophisticated imaging technology reveals the wild variation in clitoral form between primate species.
Plants & Animals
Jul 6, 2023
0
21
Female bees and wasps use modified ovipositors, formerly used in egg laying, to sting their attackers, including people. Now, a study in Current Biology on December 19 shows that male mason wasps use sharp genital spines ...
Plants & Animals
Dec 19, 2022
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19
Hawk moths are known for being some of the largest night fliers in the insect world. With wingspans of more than four inches, many species are big enough to comfortably fill the palm of your hand. Thanks to the work of a ...
Plants & Animals
Jul 11, 2022
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205
A team of researchers from China, the U.K. and the U.S. has found that a species of darkling beetles engage in oral sex prior to copulating. In their paper published in the journal Ecology and Evolution, the group describes ...
A team of researchers from Uppsala University, the University of Cincinnati and the University of Toronto has found that there are benefits for female seed beetles mating with males with extra-long spiny genitalia. In their ...
The fossilized insect is tiny and its genital capsule, called a pygophore, is roughly the length of a grain of rice. It is remarkable, scientists say, because the bug's physical characteristics—from the bold banding pattern ...
Paleontology & Fossils
Jan 19, 2021
0
271
In most animals, body size shrinks when food becomes scarce, but some parts are protected from shrinkage. In humans without enough food, the body becomes small, but the size of the head stays the same, hinting at biological ...
Plants & Animals
May 16, 2019
0
81
In the order Diptera, more-primitive species such as mosquitos generally do their deed in the end-to-end position. Higher (more evolved) species such as flies tend toward the male mounting the female from behind (male-above ...
Plants & Animals
Feb 27, 2019
1
202
Researchers from Tokyo Metropolitan University have shown that the environment-driven evolution of a unique ovipositor in the female fruit fly Drosophila suzukii may have caused coevolution of the male genitalia; new features ...
Plants & Animals
Nov 12, 2018
0
31
Males and females mate to produce offspring, but their relationships are not always cooperative. The conflict between the sexes when they behave selfishly can be negative for the whole group. A group of Japanese researchers ...
Plants & Animals
Oct 5, 2018
0
2
