Nobel laureate and founder of behavioral economics Daniel Kahneman goes through a series of examples of things we might remember, from vacations to colonoscopies. He explains how our "experiencing selves" and our "remembering selves" perceive happiness differently.
Forensic psychologist Scott Fraser studies how we remember crimes. He describes a deadly shooting and explains how eyewitnesses can create memories that they haven't seen. Why? Because the brain is always trying to fill in the blanks.
Some people can memorize thousands of numbers, the names of dozens of strangers or the precise order of cards in a shuffled deck. Science writer and U.S. Memory Champion Joshua Foer shows how anyone can become a memory virtuoso, including him.
(We most recently updated the top of this post at 6:45 p.m. ET.)
An explosion followed by gunfire in Kabul on Friday claimed the lives of at least two attackers and wounded a small number of civilians. The Taliban claimed responsibility for the attack, which appeared to have been aimed at offices of the International Organization for Migration and stretched over several hours as Afghan security forces tried to hunt down those responsible.
As night fell in Kabul, it was unclear whether the incident was over or not.
Representatives of President Bashar Assad's regime have agreed "in principle" to attend an international peace conference aimed at ending more than two years of brutal warfare in Syria, Russia's foreign ministry said Friday.
Monday's tornado in Moore, Okla., killed 24 people and caused an estimated $2.2 billion worth of damage. As the community reflects on what happened, one question is: How did so many manage to survive such devastating destruction?
Lifelong Oklahoman Kristi Freeman has seen her share of tornadoes, but she says the twister that tore through her neighborhood Monday was something else.
"This tornado was like a monster. It was like something that was alive. It destroyed your peace, your comfort," she says.
As the residents of Moore, Okla., and surrounding communities continue to recover from Monday's devastating tornado that killed at least 24 people and injured more than 375, we're keeping an eye on the news from there: