Nicholas Christakis, a doctor, sociologist and author of “Blueprint: The Evolutionary Origins of a Good Society,” explains the science behind humans' ability to work together and problem-solve within a community.
Nearly 200,000 people in Colombia live with a disability as a result of a half-century of civil war. As Colombia now struggles to secure a lasting peace, the country’s vast mountains, rocky and unpaved roads and spanning pasturelands pose some of the biggest threats to people who must navigate rough terrains in wheelchairs.
The UN climate report found that limiting warming to 1.5 degrees Celsius (or 2.7 degrees Fahrenheit) this century is still technically possible. But to keep that possibility alive, the world would have to cut its global greenhouse gas emissions by a whopping 45% from 2010 levels by 2030.
India's Chandrayaan-2 is expected to land on the moon Friday as the country seeks its first successful landing. But with two female scientists leading the project, the lunar mission has already made history.