Satellite imagery of Machu Pichu in Peru, taken in June 2016. DigitalGlobal2017 hide caption
An artist's impression of Saccorhytus coronarius, a sea creature that lived 540 million years ago. Jian Han, Northwest University, China hide caption
The micromotor device may someday be used to deliver antibiotics to the stomach. Angewandte Chemie International Edition hide caption
Cells derived from rat pluripotent stem cells were enriched in the developing heart of a genetically modified mouse embryo. Cell hide caption
A self-portrait taken by Cajal in his library when he was in his 30s. Courtesy Instituto Cajal del Consjo Superior de Investigaciones Científicas, Madrid hide caption
Art Exhibition Celebrates Drawings By The Founder Of Modern Neuroscience
Researchers are trying to tease apart the reasons why girls are less likely to become scientists and engineers. Marc Romanelli/Getty Images/Blend Images hide caption
When women express a lot of ambition in the workplace, research shows they pay a price. PeopleImages/Getty Images hide caption
Rain and radio towers in Austin, Texas. Scientists found that turning off steady beam lights on towers reduced bird fatalities by 70 percent. Cherry Bream/Flickr hide caption
How To Make Broadcast Towers More Bird-Friendly: Turn Off Some Lights
Though Donald Trump's policies may not help his voters economically, sociologist Arlie Hochschild says he is speaking to them on a deeper level: meeting their emotional needs. MICHAEL MATHES/AFP/Getty Images hide caption
Strangers in Their Own Land: The 'Deep Story' of Trump Supporters
Artist's rendering of two individuals of Siamogale melilutra, one of them feeding on a freshwater clam. Mauricio Antón/Journla of Systematic Palaeontology hide caption
Dr. Nicole Garneau talks about taste on the TED Stage. Courtesy of Dr. Nicole Garneau hide caption
Some ethicists and consumer watchdog groups worry that the newly revised federal rules governing medical research don't go far enough to protect the rights and privacy of patients. Dana Neely/Getty Images hide caption
Research with living systems is never simple, scientists say, so there are many possible sources of variation in any experiment, ranging from the animals and cells to the details of lab technique. Tom Werner/Getty Images hide caption
This pendant bears close resemblance to one belonging to Anne Frank, Israel's Yad Vashem Holocaust memorial said Sunday. Yoram Haimi/AP hide caption
Kim Kardashian and Donald Trump exemplify our contradictory feelings about the rich and famous. We idolize the powerful, but also relish their downfall. D Dipasupil/WireImage hide caption