In the Dec. 23 & Jan. 6 SN: Our top stories of 2017, grounded pterosaur hatchlings, protectors of the Dead Sea Scrolls, a counterintuitive metamaterial, neutron star sizing, arrow of time reversed, E. coli in flour and more.
GOING VIRAL Genetic studies of viruses from horseshoe bats (shown) in one cave in China suggest the animals are reservoirs of SARS coronaviruses. Bats harbor many viruses that can sometimes infect people, including Ebola and Marburg.
Libiao Zhang/Guangdong Institute of Applied Biological Resource, China
SHAPE SHIFTER Candida tropicalis usually grows as a harmless roundish budding yeast (green), but in the presence of two bacteria it stretches into long filaments (brown) that may provoke inflammation in intestines.
Djspring/wikimedia commons (CC BY-SA 3.0)
“My motivating questions are about understanding the physical challenges bacterial cells face,” says Kerwyn Casey Huang.