Camera traps – motion-activated devices that are used to capture images of wildlife – have been used by researchers since the 19th century to monitor populations, track migration and study behavior. Along with their modern cousin, the wildlife livestream, they've gained popularity among Gen Z. cnn.it/4iuOf2W

North Korea has told its border troops to take "prompt ​and resolute action" if South Korean forces threaten their safety, state media ​said on Wednesday, raising the risk of a clash along the ⁠heavily armed frontier. The report came a day after Seoul pledged to punish "resolutely" any ​further provocation by Pyongyang if North Korea acted on threats to strengthen its military ​posture along the border. cnn.it/4hZXGHx

A newly released UN climate report finds the globe will unavoidably slip past the Paris Climate Agreement's 1.5-degree Celsius warming target in the next few years. The task now, the report states, is to make the period of warming "overshoot" as limited as possible, eventually bringing global average temperatures back down. cnn.it/4z63Z2o

The Stanford Prison Experiment lasted less than a week in 1971, but its claims about human nature endured for decades. Now, a new Netflix series is bringing one of psychology's most controversial studies, and some of the biggest concerns surrounding it, back into the spotlight. cnn.it/3UITLGd