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Scientists Can Turn Human Cells Into Working Lasers

How about this for a bright idea: A team of researchers from Harvard Medical School has developed three different ways to turn individual cells into functioning lasers that emit light when they’re excited.


Laser Analysis Reveals That Astronauts' Skin Gets Thinner In Space

Astronauts have thin skin. That’s not a slur on their ability to fend off criticism, but the finding of a study being carried out by European scientists to understand how the dermal health of space travellers changes while in orbit.


It Feels Like These CGI Skin Designers Are Just Trying To Scare Us Now

Hey, how did you sleep last night? Well, I hope you enjoyed it, because tonight you’re going to be wracked with fevered nightmares about a computer animator with an uncanny obsession with reanimating human skin.


Skin From Human Cadavers Helps Wounds Heal Better 

Scientists have a promising if slightly grisly treatment for wounds: skin from human cadavers stripped of everything but its cells. Sound weird? Let me explain.


If Humans Shed So Much Dead Skin, How Are Tattoos Permanent?

Video: Your body is constantly throwing off dead skin cells — a million every day. So how come tattoos don’t fall off with them? It turns out, your body’s immune system tries to get rid of the ink under your skin, but in the process, it makes those marks permanent, as this video from TED-Ed explains. Funny how that works — your body tries to get rid of something, but only succeeds in making it hang around for the rest of your life. Joke’s on you, dermis!


A Detailed Description Of Why Human Skin Is Amazing

As Minute Earth rightly points out, we could avoid a lot of flesh wounds by having thicker armoured skin like a pangolin. But the energy needed to generate and maintain that armour wasn’t evolutionarily worth it for us to expend because we put so much fuel into our enormous brains. We can think of ways to escape danger or make intelligent plans to avoid dangerous situations in the first place. And we do have scales, they’re just not visible to the naked eye, but they protect us from tons of microbes. A lot is going on with our skin as the layers form, live out their life rising to the surface and then die. Watch this video and then go exfoliate.


What Happens To Your Skin In Space

Thought good old Commander Hadfield already taught you everything there is to know about space livin’? Shame on you — there’s always more to learn. Like about how your skin moults and floats off your body in giant flakes and calluses, for instance.


Know When It's Time To Retreat Indoors With This Sun And Skin Monitor

Like a nagging parent you can stash away in your pocket, Japan’s Design Factory teamed up with the country’s national weather service to create this compact UV meter/skin checker. It lets you know when it’s time to get out of the sun.


Giz Explains: How Sunscreen Works (And Why You're Wrong About It)

Your skin shouldn’t look like a package of pork cracklins after spending the day outdoors; that’s why we invented sunscreen. However, there’s a right way and a wrong way to slather on your protection — screw it up and you could get burned.


Why Is This Terrified Woman Exfoliating With A Box Cutter?

The life of a product model isn’t easy, particularly when it involves demoing questionable skin care contraptions. Like this so-called sonic cleanser that looks so much like a box cutter that this model appears legitmately scared for her wellbeing.


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