The oldest bat skeletons in the world have been identified as a new species, helping scientists fill in the spotty fossil record of these flying mammals and providing new clues about how they evolved.
Intervertebral disc degeneration is a common chronic degenerative disease which predominantly occurs in aging individuals and causes low back pain. Here, Wang et al. report a nanozyme-functionalized ...
The HULETT ORE UNLOADERS were invented by Clevelander GEORGE H. HULETT in 1898, as a means to quickly unload lake ore carriers. The 100-foot-tall, 800-ton machines were capable of shoveling up to 17 ...