Alpha-Gal Syndrome Explained: The Tick-Borne Allergy Affecting Diets Worldwide
A single tick bite can trigger a bizarre meat allergy—here’s how alpha-gal syndrome is reshaping people’s diets.

Alpha-Gal Syndrome Explained: The Tick-Borne Allergy Affecting Diets Worldwide
A single tick bite can trigger a bizarre meat allergy—here’s how alpha-gal syndrome is reshaping people’s diets.
Marsquakes, Vaccine Politics and Mammoth Microbiomes
A common nasal spray shows promise in reducing COVID risk, but vaccine access remains tangled in policy in the U.S.
Experts Warn of Growing Threats amid CDC Resignations
With the CDC in disarray and its future uncertain, this episode explores what’s driving the exodus of agency staff and what this means for national health security.
How to Read Hurricane Maps and Avoid Common Mistakes
Hurricane forecast maps are more complex than they appear. Understanding them could change how you prepare for the next storm.
The Storm That Drowned a City—And the Science That Saw It Coming
Two decades after Katrina, we revisit the storm and discuss the evolution of hurricane preparedness since then.
Mining the Deep Sea Could Threaten a Source of Ocean Oxygen
Deep-sea rocks packed with valuable metals may also be making oxygen in the deep, dark ocean—raising new questions about the cost of mining them.
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
In honor of SciAm’s 180th birthday, we’re spotlighting the biggest “wait, what?” moments in science history.
The Mystery of America’s Peanut Allergy Surge—And the Promising Science behind New Treatments
Peanut allergies more than tripled in U.S. kids between the late 1990s and late 2000s, and the prevalence has risen even more since then. Scientists are still searching for answers—and new ways to treat them.
What Can Nature Teach Us about Sex and Gender?
Traditional biology has long ignored nature’s sexual diversity—but evolution tells a far more complex story.
Chikungunya Outbreak, Glacial Outbursts and a New Human Ancestor
China is having a fast-rising chikungunya outbreak in a place that has never had one before.
Sam Kean’s New Book Dinner with King Tut Explores the Wild World of Experimental Archaeology
In his new book, Sam Kean reveals how re-creating ancient tools, techniques and traditions can unlock secrets about how our ancestors lived—and what they felt.
This Hormone-Free Pill Could Finally Expand Birth Control Options for Men
A new hormone-free birth control pill that reversibly stops sperm production has passed its first safety trial in humans, offering hope for more reversible contraceptive options.