The core of the RBT-3 reactor at the Research Institute of Atomic Reactors in Dimitrovgrad, Russia. Some scientists suspect the institute's work on medical isotopes might explain radioactivity detected over Europe.
Sovfoto/UIG via Getty Images
A farmer plows his field with an ox-pulled plow in China's Guangxi province. Archaeologists think that domesticated farm animals increased inequality in some ancient societies.
Peter Parks/AFP/Getty Images
A neolithic jar from Khramis Didi-Gora, Georgia. The country has long prided itself on its winemaking tradition. A new analysis of ancient Georgian jars confirms that tradition goes back 8,000 years.
Courtesy of the Georgian National Museum
Japanese Wagyu beef has a sweet, coconut-like aroma. Scientists found 16 compounds associated with the smell, 10 of which are newly associated with the meat.
Martin Bureau/AFP/Getty Images
Patients with Type-1 diabetes don't have enough healthy islets of Langerhans cells — hormone-secreting cells of the pancreas. Granules inside these cells release insulin and other substances into the blood.
Steve Gschmeissner/Science Source
Monsoon rains flooded Mumbai in August 2017. Aedes aegypti mosquitoes can spread diseases like dengue fever. Drought has affected the health of Somalians.
(From left) Punit Paranjpe/AFP/Getty Images; Christophe Simon/AFP/Getty Images; Arif Hudaverdi Yaman/Anadolu Agency/Getty Images
Shankar Vedantam, NPR's social science correspondent and host of the Hidden Brain podcast, explains why some of us are really good at recognizing faces and others are not.
John Lamb/Getty Images
The Sissano Lagoon was part of Papua New Guinea devastated by a tsunami in 1998. Researchers used evidence from after that tsunami to compare to a tsunami thousands of years ago.
Channel 7 TV Sydney via AP