Due to the coronavirus pandemic, scientists this year made significant progress in understanding how respiratory viruses can be transmitted from one person to another through the air.
Early in the pandemic, people were advised to disinfect everything they touched. But now that scientists understand more about how COVID-19 spreads, all that scrubbing down may have been overkill.
Ice is usually ephemeral; it doesn't last that long before melting. But some ice on our planet has stayed frozen for millions of years, according to scientists on a quest to find the oldest ice.
The emergence of COVID-19 started scientists on a year-long, crash course to learn how this virus might travel through the air and how to stop it. They learned a lot, and quickly.
The COVID-19 crisis has exacerbated food insecurity and stretched an already-strained fishing industry. New partnerships with food banks give fisherman income and provide food for those in need.
Researchers discovered that an octopus might punch a fish when both are hunting. Although some of the thrown punches can be explained, others remain a mystery.
As the first COVID-19 vaccines begin to be rolled out across the U.S., community leaders in diverse groups already are working hard to dispel misinformation and reach skeptics with truth.
Could smoke carry disease-causing microorganisms? "It's a very new idea to think of smoke as having a living component," says Leda Kobziar, co-author of an article that explores this theory.
"Scientifically, it is highly likely that the immune response by this vaccine also can deal with the new virus variant," BioNTech CEO Ugur Sahin said Tuesday.