articles

On the heels of the first definitive signs of the ozone layer recovery last year, an international team of scientists discovered that production and emission of a banned, potent ozone-depleting chemical is on the rise again. 

Because of their high energy-storage density, materials such as metal oxides, sulfides, and fluorides are promising electrode materials for lithium-ion batteries in electric vehicles and other technologies.

Science fiction stories are chock full of terraforming schemes and oxygen generators for a very good reason—we humans need molecular oxygen (O2) to breathe, and space is essentially devoid of it. 

Embedded at the end of chromosomes are structures called "telomeres” that in normal cells become shorter as cells divide. 

Through a systematic review of published studies going back 50 years, Johns Hopkins Medicine researchers say they have identified a distinct subtype of primary central nervous system (PCNS) lymphoma that should be considered for surgical removal, suggesting a major shift in how this type of tumor is evaluated and managed.