Articles on Twin studies

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We wanted to find out how much classroom factors had to do with why some twins did better than others at school. from shutterstock.com

Don’t blame the teacher: student results are (mostly) out of their hands

Previous research suggests teacher quality accounts for up to 30% of the reason some students get better marks than others. Our research on twin pairs turns that on its head.
Are space twin Scott and Earth twin Mark no longer identical? Robert Markowitz/NASA

Does a year in space make you older or younger?

Before sending humans to Mars or the moon, scientists need to understand what long-term space living does to the human body. Now results are coming in from the Kelly brothers in the TWINS Study,
The microbes that live in our gut are essential to good health. Alpha Tauri 3D Graphics/SHutterstock.com

The key to our humanity isn’t genetic, it’s microbial

The effort to edit the genes of Chinese twins implies that all our traits are determined by our genes. But changing our diet, environment, lifestyle and microbes may have a greater effect.

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