Feb. 28, 1997: GRB 970228 bursts on the scene

Feb. 28, 1997: GRB 970228 bursts on the scene

On Feb. 28, 1997, the Gamma Ray Burst Monitor on the Italian-Dutch Satellite BeppoSAX detected GRB 970228. The gamma ray burst (GRB) lasted about 80 seconds. BeppoSAX’s rapid determination of its position allowed multiple other observatories to quickly begin campaigns in multiple wavelengths.  On March 27, the Hubble Space Telescope began observing GRB 970228 and, Continue reading "Feb. 28, 1997: GRB 970228 bursts on the scene" The post Feb. 28, 1997: GRB 970228 bursts on the scene appeared first on Astronomy Magazine .

How the body really ages: 7 million cells mapped across 21 organs

How the body really ages: 7 million cells mapped across 21 organs

Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in a coordinated way throughout the body. About a quarter of cell types change in number over time, and many of these shifts differ between males and females. The research also highlights shared genetic “hotspots” that could become targets for anti-aging therapies.