Best of 2021

The blog posts Hacker News loved most in 2021. 409 posts.

Science & Space
214

Why are our brains shrinking?

As promised, here is the first post in our “The Student of Life” series. This essay, focusing on the fascinating subject of the shrinkage of our brain over the last 70,000 years, was masterfully penned by USF student Savannah Robison during the Fall 2017 semester of BIOL100. It is a wonderful example of student…

221

Imaging Cygnus a at 8.45 GHz with ATA

Earlier this year, I published a post showing our results of the interferometric imaging of Cassiopeia A and Cygnus A at 4.9 GHz with the Allen Telescope Array . Near the end of July, I decided to perform more interferometric observations of Cygnus A at a higher frequency, in order to obtain better resolution. I chose…