In the June 23 SN: Emmy Noether gets her due, the 411 on ancestry testing, bonobo birthing buddies, a mysterious neutrino surplus, the oldest known lizard fossil, genetic genealogy in police work, Pluto’s dunes and more.
BEFORE THE FALL African baobab trees may be in trouble. After living some 1,400 years, this specimen in Botswana — called the Chapman tree — toppled and died in 2016.
A. Patrut, Roxana Patrut
STAY DRY When the rain starts falling in Central America’s tropical forests, leaf-cutter ants (Atta cephalotes) hurry back to their nests — with or without their leafy cargo, which gets heftier when wet.
ARRESTED IN AMBER Chunks of amber contain fossils of 99-million-year-old frogs that were roughly the size of a postage stamp. One chunk (left) holds a recognizably froggy leg and body. Another specimen (right) contains a juvenile with a partial skull.