Historian of science Sophia Roosth on resurrecting extinct species.
Sarah Richardson presents a history of the sex chromosomes in science and culture.
Allan Brandt faces health issue; Richard Tarrant is interim dean.
In two new books, E.O. Wilson and his coauthors introduce pioneer myrmecologist José Celestino Mutis, and the ants that are “the most complex socially of all animals, except for humans.”