Biology
Spiders also practice
Hundred or not used by hand, that is the lesson that every leg spider has absorbed to the heart: The young spiders will
Sex
Browse ScienceInfo articles and explainers related to Sex.
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Articles about Sex
611 published items.
Biology
'Change gifts for sex' in insects
The male Nursery-Web spider (belonging to the family Pisaura mirabilis) prepares silk-wrapped gifts carefully to give the spider what they like. Most of the gifts contai…
Biology
'Incest' insects
Scientists have discovered that cotton mealybug (Icerya purchasi) has a very special sex life related to bloodline. Females are able to fertilize their eggs without mati…
Biology
Sperm is 600 million years old
There is a sex gene, found in all animals whose function has virtually unchanged during evolution.
Biology
Detecting human sex hormones in plants
US scientists say they found progesterone, a female sex hormone that maintains the development of the fetus, in plants.
Biology
Men will not disappear
A recent study found that the Y chromosome is evolving faster than the rest of the human genome.
Biology
Finding hormones that control male fertility
A type of sex hormone in humans has just been discovered in a new study.
Biology
Parasites promote 'sex pleasure'
An article published in American Naturalist magazine found that sex evolved in the 'protection' of parasites.
Biology
Sex life of plants reveals disagreements between the sexes
The pollen grains of male plants must live in stiff competition.
Biology
'Marriage' homosexual guarantees the race
The phenomenon of couples between same-sex individuals is not only very popular in the animal world, but also a necessary adaptation to maintain species development.
Biology
Bacteria can regulate the sex of the host
Some bacteria can adjust the proportion of females and males in some insects.
Biology
With giant crickets, the males get bigger and bigger
The weta crickets are indeed huge. Weighing up to 20 grams, they are one of the heaviest insects in the world. But the male is only half that size.
Biology
Gene loss makes gay male flies homosexual
Scientists at Duke University Medical Center have recently discovered that male fruit flies lack genes that regulate the body's ability to perceive a particular odor.
Biology
The relationship between sex and age in worms
A group of scientists studying sex pheromone in worms found that this pheromone simultaneously controls a stage in the worms' life cycle, the long-lived larval stage.
Biology
The strange sex life of a melon
French scientists have just discovered a gene that can change the sex of the melon flower, so that a plant can produce both male and bisexual flowers.