Originally published on Tue April 30, 2013 9:54 am
When we first heard about researchers using tiny freely floating tools to grab tissue samples deep inside the body, we were scared.
But our fears quickly turned to fascination.
Johns Hopkins engineers are testing out what they call "untethered microgrippers" as a better way to investigate hard-to-reach places. They have launched hundreds of these things, which look like miniature ninja throwing stars, inside the body of animal to retrieve tiny pieces of tissue for biopsies.
Writer Joel Arnold is surveying the scene at the Tribeca Film Festival, which runs in New York City through April 28. He'll be filing occasional dispatches for Monkey See.
I keep going back to the documentaries. Out of the 14 films I've seen here so far, the documentaries have consistently offered some of the most inherently dynamic subjects — and served up surprising moments of discovery.
Liyan Chen, a grad student in New York, was chatting online recently with her cousin in China.
"He said, 'I want Abbott milk powder,' " Chen told me. " 'I want you to buy it and ship it back.' "
Her cousin wanted her to buy three boxes of Abbott baby formula, sold under the brand name Similac, and ship it to him in China. She did some research and found out the shipping alone could cost $80. "They're not from a very well-off family, and that really surprised me," she said — especially because they can buy Abbott baby formula in stores in China.