Environmental Factors Don’t Explain Rise in Autism Prevalence
Environmental Factors Don’t Explain Rise in Autism Prevalence
A large twin study in Sweden finds genetics has a much larger influence on the odds of an autism diagnosis, and has remained consistent over time.
Environmental Factors Don’t Explain Rise in Autism Prevalence
Environmental Factors Don’t Explain Rise in Autism Prevalence

A large twin study in Sweden finds genetics has a much larger influence on the odds of an autism diagnosis, and has remained consistent over time.

A large twin study in Sweden finds genetics has a much larger influence on the odds of an autism diagnosis, and has remained consistent over time.

twins
Does Sharing the Womb with a Brother Affect Girls?
Does Sharing the Womb with a Brother Affect Girls?
Ashley Yeager | Mar 19, 2019
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
Doctors Report World’s Second Case of “Semi-Identical” Twins
Doctors Report World’s Second Case of “Semi-Identical” Twins
Catherine Offord | Feb 28, 2019
The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.
Image of the Day: Conjoined and Separated
Image of the Day: Conjoined and Separated
Carolyn Wilke | Jan 28, 2019
Now two years old, the Delaney twins were born joined at the head and were successfully separated in June 2017.
Claim of First Gene-Edited Babies Triggers Investigation
Claim of First Gene-Edited Babies Triggers Investigation
Catherine Offord | Nov 26, 2018
He Jiankui says he has successfully used CRISPR-Cas9 to tweak the genes of twins born earlier this month. Some independent experts are dubious.
Image of the Day: Elephant Twins
Image of the Day: Elephant Twins
The Scientist Staff, The Scientist Staff | Apr 16, 2018
A pair of calves was born about eight months ago in Tanzania’s Tarangire National Park.
Mosquitoes Play Genetic Favorites
Mosquitoes Play Genetic Favorites
Jef Akst | Apr 23, 2015
A twin study suggests that the blood-sucking insects are more attracted to people with certain genes.
Environmental Immunity
Environmental Immunity
Jenny Rood | Jan 16, 2015
Twin study shows environmental factors play a greater role than genetic ones in shaping individual immunity.
Gut Microbiome Heritability
Gut Microbiome Heritability
Tracy Vence | Nov 6, 2014
Analyzing data from a large twin study, researchers have homed in on how host genetics can shape the gut microbiome.
Test Scores Are in the Genes
Test Scores Are in the Genes
Jef Akst | Dec 16, 2013
More than school or family environment, a child’s genetics influences high school exam results.