Trilobites last meal, Antimatter falls down, C. difficile in hospitals, African cows and cowboys in the Americas and appreciating ugly babies

Published: Sept. 29, 2023, 4:10 a.m.

What a trilobite ate and what ate it; Antimatter falls down, much to the relief of physicists; Hospitals have controlled C. difficile outbreaks \u2014 but people are bringing their own; Some early cows \u2013 and cowboys \u2013 in the Americas came from Africa; Ugly babies: A new book looks at cute-challenged but fascinating baby animals.