Sign up for The Ed’s Up—a weekly newsletter of my writing plus some of the best stuff from around the Internet.

“He rides around with a stack of mirrors, looking for people who have lost their limbs.” Fresh piece on phantom limbs by Srinath Perur.

“It is sobering.” Stem cell treatment causes nasal growth in woman’s back. Chilling report by Clare Wilson.

Oh, no biggie. Just vials of smallpox found in the back of some FDA freezer. Maryn McKenna considers what effects the vials might have on debates over whether to destroy the last smallpox stocks. Sara Reardon wrote this shockingly prescient Nature feature two months ago. And some of us had fun.

Virginia Hughes on the