SummaryThis time last year, physicians around the world prepared, most for the first time in their careers, to treat a new disease—over and over and…

A soaring shark

03/24/2021 0

Paleontology Sacha Vignieri See allHide authors and affiliations Science  19 Mar 2021:Vol. 371, Issue 6535, pp. 1216-1218DOI: 10.1126/science.371.6535.1216-s

Light and heat sensors on a building at the University of Southern Denmark adjust shutters to optimize indoor conditions.PHOTO: HUFTON+CROW/VIEW PICTURES/UNIVERSAL IMAGES GROUP/GETTY IMAGESThe Smart…