Aldehydes and ketones Published on February 6, 2024February 4, 2024 by fivecolorssandt@icloud.com The road not taken Our tutor considers past alternatives. Read More
Distant cousins Published on March 1, 2022February 25, 2022 by fivecolorssandt@icloud.com The extended family We make a count of our relations. Read More
Alternate histories (II) Published on January 7, 2020January 5, 2020 by fivecolorssandt@icloud.com Abandoning dragon engineering What would you be if you weren’t you? Read More
A village in space Published on July 10, 2018July 10, 2018 by fivecolorssandt@icloud.com Interstellar genetics A recent paper contemplates a very long voyage. Read More
How big is your village? Published on July 3, 2018July 3, 2018 by fivecolorssandt@icloud.com History gets more distant An unexpected genetic revolution started about 1850. Read More
Toy poodles, the Belmont Stakes and wheat Published on June 21, 2016June 21, 2016 by fivecolorssandt@icloud.com Prehistoric biotechnology Our astronomer steps out of his area of expertise to comment on biology. Read More