Weekly Digest of Tweets

Here’s our weekly summary of tweets from @hfdigest, and their significance. Aging We have known for some time that adult stem cells age, as do all our cells. But until recently we did not know we can rejuvenate them—in the petri dish, anyway. This extraordinary breakthrough could make us younger, and not merely stop growing […]


On September 12, 2003, in Cyborgs

In one form or another and under one name or another, cyborgs were all over the media this past month, with reports of: A robot with a rat neuron brain, Bionic kidneys and livers, Bionic eyes for the blind, Brain-computer interfaces for the disabled, Artificial gills for aquatic cyborgs, and Exomuscles giving us the strength […]