NASA’s Perseverance probe landed safely and on time on Mars, at 3:55 p.m. EST, Thursday, marking another success for the U.S. space agency. The nuclear-powered probe made its way through a harrowing landing process, deemed by some engineers as “seven minutes of terror” because it involves parachutes, powered descent and a “sky crane” that […]
On these quiet, still days, as winter plods on, Alaskans tend to notice any movement outside their windows, such as dancing power wires strung between poles. The answer as to why the wires bounce is in Neil Davis’s “Alaska Science Nuggets.” First, though, a refresher on that book — a compilation of 400 of these […]
Bowhead whales are true northern creatures, swimming only in cold oceans off Alaska, Canada, Greenland, Svalbard and Russia. These bus-size whales have the largest mouths in the animal kingdom, can live for 200 years and can go without eating for more than a year due to their remarkable fat reserves. Bowheads are also a rare […]
Here’s the COVID-19 ECHO schedule for the reminder of this week, Dec.13-15, 2021 WEDNESDAY • COVID-19 Science ECHO – for the general public, 12-1 pm. You can also tune in via Facebook Live, @alaskachdCOVID-1 THURSDAY • Healthcare Situational Awareness ECHO – for healthcare providers, 12-1 pm • Media ECHO, 1-1:45 pm. • Vaccine ECHO […]