Animal world
Spiders also like 'virgin'
A surprisingly unexpected finding: male spiders prefer to mate with female spiders and silk rather than choose big and experienced girls.
Sperm
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Articles about Sperm
416 published items.
Animal world
The more attractive the female, the higher the ability to conceive
A study of red jungle chickens demonstrates that males can adjust sperm speed and efficiency, depending on how attractive the object is.
Animal world
Create pandas from frozen sperm
Chinese officials report the world's first panda made from frozen sperm was born in the country.
Animal world
Anti-forced solution of female ducks
In some ducks, the female genitalia is quite complicated to prevent forced mating behavior of males.
Animal world
Recording sperm whales gives suggestions for sound research in fish and fishing strategies
For decades, scientists have been fascinated by the diverse sounds emitted by sperm whales, in part because of the popular theory in the scientific world that these soun…
Animal world
Black-footed ferrets are born from frozen sperm
Weasels are on the brink of extinction - part of a conservation and breeding program of many agencies and organizations - artificial insemination in May with frozen sper…
Animal world
Evolution in mice can explain infertility in humans
Scientists at the University of Liverpool have discovered that copper rats evolved in a specific way to ensure faster fertilization, which may explain some cases of infe…
Animal world
The more prolific, the easier it is to have a son
The more red male the deer is, the more likely it is to have a son. This is the first study to show that mammals can affect the sex of females through sperm quality.
Animal world
Koala was born with a new method of artificial insemination
Scientists on October 30 announced 3 koalas were reproduced by a new artificial insemination technology: Mixing sperm with a special solution to extend the shelf life.
Animal world
The more sex, the better
It is the secret of Australian kangaroos when they don't want to waste time searching for an ideal partner but still creating great children.
Animal world
Sexual tactics of animals
The last line to wait for some other guys to rain with his wife is unbelievable for men. But in the animal world and especially insects, the last one is the one who is m…
Animal world
The prospect of reviving mammoths
Someday, the 'descendant' of mammoth mammoth mammoth mammoths will probably reappear on Earth. Japanese scientists
Animal world
Risks when the queen is a mother
Mating means paying the price, even if it is a queen. The young princesses of the leaf-cutting ants must play their health gamble in exchange for a long-term chance of r…
Animal world
The bigger the brain, the smaller the
Male bats with brains develop, their testes are quite good
Animal world
Elephants give birth after a rare treatment
An Asian elephant named Tamar gave birth to a baby elephant at the Jerusalem Zoo after experiencing rare artificial insemination, the Israeli news agency announced yeste…