Listen in as I use two calculators to track the difference in numbers of infections over a short period of time, depending on how many people each infected individual infects on average...
Originally published in June 1968
Progress in improving mortality varies significantly within countries
Without oversight, the technologies at the heart of the health system are vulnerable to corruption
It is possible for the world to cut emissions enough to limit warming to 1.5 degrees Celsius. But tenacious belief will be needed to achieve that goal
A physics student has founded an international organization for mentoring women in male-dominated fields...
Saving the Florida panther, cornfield espionage and racial profiling, and more
President Trump misspoke in a recent press conference: there are no approved treatments
Instrument calibration is essential for science—and justice
A new computer model analyzes when to admit people to intensive care units—and when to move them out—which could help doctors handle the coronavirus surge
Both are existential challenges—and a president who belittles and neglects science has made them both tougher to address
A new view of the Milky Way, the trouble with teeth, ice age survivors, and more
Storm tracking could be scuttled by interference from next-gen wireless communications
The new climate rules come as the airline industry is reeling from the effects of the coronavirus pandemic
Health care providers need a well-organized response grounded in science and ethics as the U.S. responds to the pandemic
Online harassment of scientists and health professionals is a serious and growing problem
A narrow focus on the latest hot topic can be rewarding—but it’s not necessarily a good long-term strategy
Scientific American contributing editor W. Wayt Gibbs reports from the U.S. epicenter of the coronavirus outbreak: Kirkland, Wash. In this installment of our ongoing series, he talks with researchers about the efforts to create vaccines and treatments and the challenges the outbreak poses to cancer patients and others who are immunocompromised...
Lunar laser reflector; calling Mars; the pneumatic subway
The USMLE Step 1 test has little to do with the actual practice of medicine anyway