Recent years have seen a flood of studies linking genetic variations to particular diseases, and companies are trying to parlay those discoveries into direct-to-consumer genetic tests. Navigenics mails its subscribers containers for saliva samples. When it gets the samples back, it uses microarrays–chips studded with fragments of DNA–to screen the subscribers’ DNA for genetic variations linked to 18 diseases, including Alzheimer’s and colon cancer. Such genetic screening has received little clinical evaluation, however, so whether it helps prevent disease is unclear.
Product: Health Compass
Cost: $2,500 for the initial test; $250 a year for continued consultation
The 50-year-old problem that eludes theoretical computer science
A solution to P vs NP could unlock countless computational problems—or keep them forever out of reach.
The moon didn’t die as early as we thought
Samples from China’s lunar lander could change everything we know about the moon’s volcanic record.
Forget dating apps: Here’s how the net’s newest matchmakers help you find love
Fed up with apps, people looking for romance are finding inspiration on Twitter, TikTok—and even email newsletters.
Inside the machine that saved Moore’s Law
The Dutch firm ASML spent $9 billion and 17 years developing a way to keep making denser computer chips.
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