The discovery of two potentially habitable exoplanets is definitely exciting, but other red dwarf star systems have proven to be exoplanetary goldmines. TRAPPIST-1, for example, is known to possess seven exoplanets and is located nearly 40 light-years away. So might there be more discoveries to come with Teegarden? Could be. "Many stars are apparently surrounded by systems with several planets," added co-author Stefan Dreizler, also at Göttingen, in the release. … [Read more...] about Two for Teegarden: Pint-sized Star System Discovered Right Next Door
Nasa 2020 mars mission
When the alcohol begins to do its work on bacteria, for instance, the injury to the cell can cause the bacteria to form a protective shell. That's bad. Viruses don't form those protective shells, but higher concentrations of alcohol evaporate very quickly — maybe before it penetrates the virus' outer walls. That's also bad. … [Read more...] about What’s the Difference Between Ethyl Alcohol and Isopropyl Alcohol?
This comes more than a year after "Baby Shark" cracked Billboard's Top 40 in January 2019. The ubiquitous kid's song peaked at No. 32 on Billboard's Hot 100 Top 40 thanks in large part to its gaudy YouTube video, dance-along routine, and of course, the infectious "doo doo doo doo doo doo" line that intrudes on your brain space and never, ever leaves (sorry). … [Read more...] about ‘Baby Shark’ and Other Kiddie Tunes that Hit the Billboard Charts
The Financial Fallout Beyond Sports The financial fallout from a lost football season will affect areas far beyond athletic departments, too. Dave Brown, an economics professor at Penn State, told the student newspaper that local businesses could lose "tens of millions" of dollars in revenues from football fans without a season. "These college towns depend on football games going on and the crowds that come with that," Rackley says. "Those people are going to get hurt. [Football] drives a lot of their business." … [Read more...] about What Are the Costs of Canceling College Football?