Medicine - Health
What is syphilis?
Syphilis is one of the most feared sexually transmitted diseases, seriously threatening the health and life of the patient.
Sex
Browse ScienceInfo articles and explainers related to Sex.
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Articles about Sex
748 published items.
Health
Going to the gym increases sexual desire hormones, so it's easy to have an affair?
Research shows that testosterone can spike within 1 hour after a gym workout. This hormone has a particular impact on sexual desire and makes it difficult for exercisers…
Animal world
Chimpanzees are sex-crazed creatures, doing 'it' anytime, anywhere.
The chimpanzee's motivation to thrive is even built around sex, which occurs between every individual in the troop.
Biology
'Miracle sex drug' revived after 2,000 years of extinction, surprising effects
An extinct plant, described in ancient Egyptian, Greek and Roman literature as a sexual enhancer and a cure-all, has been unexpectedly revived at the foot of a volcano.
Health
The Y chromosome is gradually disappearing, predicting that men have a new sex gene
The sex of a fetus in humans and other mammals is determined by a male-determining gene on the Y chromosome.
Discover science
Why are calico cats always female?
Typically, 2,999 out of 3,000 calico cats are female. Male calico cats are extremely rare, and are mutated...
Archeology
Humans Unknown Hiding in Asia for 100,000 Years
Scientists call this mysterious new species of human being the Juluren, or
Health
Changing patterns of HIV infection in Vietnam
The HIV/AIDS epidemic is becoming more complicated, with the transmission pattern changing from blood-borne transmission in drug addicts to sexual transmission.
Discover science
In history, there have been 9 species of humans and will we evolve into a new species?
There used to be nine species of humans, now there are just us. But how did the new species evolve? For that to happen, isolated populations would need to be subjected t…
Archeology
155 million year old sea star fossilized right at the moment of rebirth
German scientists have discovered an extremely rare fossil of a 6-winged brittle starfish, fossilized right when it was undergoing the process of regenerating half of it…
Archeology
DNA reveals sexual and marital patterns in powerful European empires
Research analyzing ancient DNA taken from Avar tombs has revealed the origins, as well as the sexual and marital patterns of this powerful empire.
Animal world
If a person is allergic to cats, are they also allergic to lions?
This is a very serious question - if one day a person allergic to cats goes to a wildlife park and wants to get up close and personal with a lion, should he worry about…
Oceanography
Discovery of sex chromosomes 248 million years ago in octopuses
Scientists have discovered the oldest known sex chromosomes in octopuses and squids from 455 million to 248 million years ago - 180 million years earlier than the previo…
Oceanography
Unexpected discoveries about the sex life of humpback whales
Humpback whales were discovered for the first time to have homosexual behavior from two male individuals.
Animal world
Revealing a 100-million-year-old asexual shrimp species
Fossils of fairy shrimp from the Cretaceous period show that this species does not need a male to be able to reproduce normally.