deepai Gravity feels reliable — stable and consistent enough to count on. But reality is far stranger than our intuition. In truth, the strength of gravity varies over the Earth’s surface. And it is weakest…
A new player in appetite control
Brain cells that provide structural support also influence feeding behavior, study shows. [caption id="attachment_10238" align="alignnone" width="602"] Scientists have identified two key groups of neurons within the hypothalamus that help regulate appetite.Image: Christine Daniloff/MIT[/caption] CAMBRIDGE, MA…
The healing potential of crab shells
Combining a sugar derived from crab and shrimp shells with nanomaterials could lead to applications that enhance bone regeneration and wound healing. [caption id="attachment_10235" align="alignnone" width="800"] Chitosan is a sugar that is typically derived from…
Stretchy optical fibers for implanting in the body
Biocompatible fibers could use light to stimulate cells or sense signs of disease. [caption id="attachment_10232" align="alignnone" width="639"] MIT researchers have developed a stretchy optical fiber in which they have injected multiple organic dyes (yellow, blue,…
Manufacturing microspheres
Technique mass-produces uniform, encapsulated particles for pharmaceuticals, many other uses. [caption id="attachment_10227" align="alignnone" width="639"] A new microencapsulation technique yields particles of very consistent size, while also affording a high rate of production. The device, pictured…