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Health

Undoing Tattoos

Raychelle BurksMar 20, 2017

From antiquity to the modern day, tattoo removal has required tattoo holders to put some skin in the game. But the science has come a long way.

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Up Close with Lemur Gut Bugs

Lydia GreeneOct 29, 2015

The World Lemur Festival starts today, and is a great occasion to celebrate these charismatic primates—and their poop.

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Can Your Phone Tell You If Your Food Is Safe?

Fenella SaundersOct 10, 2015

[VIDEO] Determining whether your food is safe to eat could soon be as simple as activating an app and pointing your mobile phone at the meal on your plate. In the latest in our series of Google Hangouts with Sigma Xi Distinguished Lecturers, Omowunmi Sadik discusses biosensors—what they are, how they work, and how they can help us determine whether our food contains unsafe levels of pathogens. Along the way, Dr. Sadik also talks about electrochemical "fingerprints," nanotechnology ethics, regulatory processes, and the patenting process, as well as her early years of studying science in Lagos, Nigeria.

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Oliver Sacks Remembered, in Books

Fenella SaundersSep 4, 2015

The noted neurologist preferred to write popular books over peer-reviewed papers, so a celebration of his life in books seems fitting.

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The Persistence of Memory: John Rosenthal’s Photographs of the Lower Ninth Ward

Dianne TimblinAug 29, 2015

The 10th anniversary of Hurricane Katrina brings with it memories of a coincident crisis. But it turns out that recalling an emotionally charged event isn't a straightforward process. How documentary photographs in the wake of disaster can help us understand the workings of memory.

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A Space Suit that Squeezes

Vinita Marwaha MadillAug 18, 2015

A new space suit design uses advanced materials to combat muscle and bone loss for astronauts in outer space.

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