Laboratory production of T cells-immune cells that grow naturally in the thymus gland-could provide new therapies against cancer, autoimmune disorders and organ transplant rejection. But they’re hard to grow in culture dishes; current methods yield too few cells of too little variety. Researchers from Massachusetts General Hospital in Boston and the Woburn, MA, biotechnology firm Cell Science Therapeutics have developed an artificial thymus that solves both problems. Constructed from a porous metal-and-carbon material typically used for bone repair and arranged in a three-dimensional matrix, the structure mimics the functions of a living-tissue thymus, generating a bumper crop of T cells that can adjust to new threats. Clinical trials start in 2002, with commercial availability expected a few years later. -M. Wortman
A Roomba recorded a woman on the toilet. How did screenshots end up on Facebook?
Robot vacuum companies say your images are safe, but a sprawling global supply chain for data from our devices creates risk.
A startup says it’s begun releasing particles into the atmosphere, in an effort to tweak the climate
Make Sunsets is already attempting to earn revenue for geoengineering, a move likely to provoke widespread criticism.
10 Breakthrough Technologies 2023
These exclusive satellite images show that Saudi Arabia’s sci-fi megacity is well underway
Weirdly, any recent work on The Line doesn’t show up on Google Maps. But we got the images anyway.
Get the latest updates from
MIT Technology Review
Discover special offers, top stories, upcoming events, and more.