Genetics

Male Y chromosomes not 'genetic wastelands'

When researchers say they have sequenced the human genome, there is a caveat to this statement: a lot of the human genome is sequenced and assembled, but there are regions that are full of repetitive elements, making them ...

Genetics

Reanalyzing gene tests prompt new diagnoses in kids

Lori Fullen recalls waking to screams from her little boy's room. She remembers rushing in and seeing the terror in his eyes, wondering if he was having recurring nightmares.

Genetics

Does your DNA really change in space?

Results from an important NASA experiment – in which astronaut Scott Kelly spent one year in space while his identical twin brother Mark stayed on Earth – have started to come in. Last week, a number of media outlets ...

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