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Sperm counts are falling. Here are 5 ways to boost male fertility

Julia Belluz | 
The concentration of sperm in semen, also known as sperm count, has halved in the West since the 1970s. The ...
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How much did the Chinese government know about controversial CRISPR babies research?

Julia Belluz | 
When scientist He Jiankui announced he’d conducted an experiment that led to the birth of twin girls with CRISPR-edited genomes in November, ...
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DNA ancestry tests are not ‘crystal balls’—they’re approximations

Brian Resnick | 
Identical twins have virtually identical DNA. So you’d think if a set of twins both sent in a DNA sample ...
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Fasting diets are soaring in popularity. Are they backed by science?

Julia Belluz | 
Over the past couple of decades, as dozens of diets and weight management schemes have come in and out of ...
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Will we see illegal CRISPR IVF clinics in the US? Experts weigh in

Julia Belluz | 
The possibility of “CRISPR babies” became real [November 25], when a Chinese scientist stunned the world by announcing he’d used the gene-editing ...
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Viewpoint: What ‘New Atheists’ get wrong about science and religion

John Gray, Sean Illing | 
New Atheism is a literary movement that sprung up in 2004, led by prominent authors like Sam Harris, Richard Dawkins, ...
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Reading genes: How much of your future do they reveal?

Brian Resnick | 
The journal Nature Genetics recently published an enormous study demonstrating yet again how multiple sites on the genome can play a role ...
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What is CRISPR? And why should you care?

If you haven’t heard of CRISPR yet, the short explanation goes like this: In the past six years, scientists have ...
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Video: How gene drives could use ‘selfish’ genes to eradicate malaria

The invention of the CRISPR gene editing tool has injected new life into a line of research called gene drive ...
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Genetically modified mosquitos could eliminate malaria, if we’re willing to take risk

Dylan Matthews | 
[Kevin] Esvelt is a biologist at MIT and the first person to formulate a technology known as a CRISPR gene ...
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Male birth control? Here are 3 methods headed our way

Julia Belluz | 
While a pill for men certainly isn’t coming to the pharmacy anytime soon, unfortunately, there is reason for (muted) hope ...
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Harvard geneticist David Reich NY Times’ op-ed ignites debate over whether ‘races’ exist

Ezra Klein | 
On Monday morning, I woke up to a tweet from Sam Harris, the bestselling author and popular podcast host, referencing ...
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