Female white-faced capuchin monkeys living in the tropical dry forests of northwestern Costa Rica may have figured out the secret to a longer life—having fellow females as friends.
Plants & Animals
Aug 10, 2022
0
296
After males of the orb-weaving spider Philoponella prominens mate with a female, they quickly launch themselves away, researchers report on April 25 in the journal Current Biology. Using a mechanism that hadn't been described ...
Plants & Animals
Apr 25, 2022
0
408
Human females rely on aids like charting, test strips or wearable tech to identify periods of fertility. Some animals, like baboons, undergo obvious physical changes during ovulation. How did fertility become so hard to detect ...
Evolution
Jan 25, 2021
9
520
In a new study, researchers and members of the Muwekma Ohlone Tribe of the San Francisco Bay Area are the first to publish evidence of wealth-driven patterns in maternal investment among ancient populations.
Archaeology
Jul 13, 2023
5
532
Red-bellied lemurs are one of only a handful of mammal species in which the males are active participants in caring for their young. New University of Arizona-led research suggests that expectant lemur dads may experience ...
Plants & Animals
Feb 22, 2023
0
17
Reproduction in the insect order Strepsiptera—also known as twisted-wing parasites—is not for the fainthearted. To inseminate the eggs of its partner, the male partner injures the "neck" of the female with its hook-shaped ...
Plants & Animals
Aug 16, 2022
1
72
Close friendships among males are rare in the animal kingdom, as males usually compete for rank and access to females. However, male friendships can also be beneficial for male reproduction, as friends can provide support ...
Plants & Animals
May 25, 2022
0
60
A trio of researchers at Saint Joseph University's Department of Psychology has found that female California mice take longer to mate with a new partner after the loss of their monogamous mate than do males. In their paper ...
Sperm are generally viewed as having just one action in reproduction—to fertilize the female's egg—but studies at the University of Adelaide are overturning that view.
Cell & Microbiology
May 17, 2021
1
64
When falling in love, humans often pay attention to looks. Many non-human animals also choose a sexual partner based on appearance. Male birds may sport flashy feathers to attract females, lionesses prefer lions with thicker ...
Plants & Animals
Feb 18, 2021
4
119
