The COVID-19 pandemic has become the worst public-health crisis in a century. More than 500,000 people have died worldwide. It has also catalysed a research revolution, as scientists, doctors and other scholars have worked at breakneck speed to understand COVID-19 and the virus that causes it: SARS-CoV-2. Nature runs through some of the key questions that researchers still don’t have answers to.
The Black Hole in the Middle of our Galaxy Looks like This
Seth Fletcher, Jason Drakeford, Tulika Bose and Jeffery DelViscio
AI Helps Small City Pull Toxic Lead Water Service Lines from the Ground Faster
COVID Dominated Their Science Lives: Here's What Four Experts Learned over Two Years
Did Your Catalytic Converter Get Stolen? The Pandemic--and Rhodium--Could Share Some Blame
Dominic Smith and Andrew Robinson
What is 'The Cloud' and How Does it Pervade Our Lives?
Michael Tabb, Jeffery DelViscio and Andrea Gawrylewski
A Look Inside the Complex Gel on Your Thanksgiving Table
Spektrum and Scientific American Staff