The sun's ultraviolet radiation is dangerous to our skin cells because it damages our DNA. That's why sun exposure can cause cancer, and why sunscreen is so important (even apart from its power to prevent sunburns). There are sunscreens that claim they can help your skin repair that damage — and, it turns out, they actually might (might!) work.
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There are approximately 10 million questions I'd like to ask my cat, Herbert. "Why do you chew on my purse?" "Why do you get scared when I lotion my hands?" "Do you love me?" "Do you hate me?" At the very top of the list however, is: "Can you tell me your life story?" Bert was plucked off the streets of Harlem a few years ago and brought to the shelter where I adopted him, but I don't know anything about him prior to that.
Remember when we all got a little creeped out that genetic testing companies can be forced to turn over your data to law enforcement? Ah, those were simpler times. Police found the Golden State Killer last week thanks in part to a relative's sample in a publicly available DNA database. The same kind that your relatives may already be in.
As a young child, every morning at sunrise I would wake up to tap dance on the patio outside my mum's bedroom door, much to my poor mum's chagrin. These sunrise salutations became an enduring family story, as did my habit of getting up with the sun. Imagine my surprise, then, when a DNA test recently suggested that I am, in fact, a night owl.
When in doubt about who the father of a baby is, just do a paternity test. That seems like a no-brainer, especially since DNA testing has come a long way so it can provide quicker and more accurate results. But what if a man doesn't want to find out if he's the father? Is it legal to refuse a paternity test? Let's find out.
An article at MIT Technology Review says some early work at Microsoft Research is looking at how to encode documents in DNA. The aim is to have some sort of working model by the end of this decade, with the tagline "Your Storage with DNA" being bandied about.