In the April 29 SN: Proton puzzles, venomous swimmers, seeking early signs of autism, maximum entanglement, cephalopod intelligence insights, glass frog mothering techniques, Einstein on TV, touchy tyrannosaurs, seeing cells in 3-D and more.
ON TRACK Neutrophils (red) crawl along the walls of capillaries in a mouse lung (tracks shown in blue). In mice deficient in a key protein, these immune cells couldn’t move as far (left) as those in mice that had the protein (right).
B.G. Yipp et al/Science Immunology 2017
ALL TANGLED UP In a healthy mouse (left), nerve cells (white) that release serotonin extend through the hippocampus. But when a specific gene is knocked out, those nerve cell wires clump together (right).
T. Maniatis/Columbia's Zuckerman Institute
SURE SHOT In the United States, HPV vaccination rates lag for girls and boys. The message that the vaccine prevents cancer isn’t getting out there, researchers say.