It's been one year since two masked gunmen opened fire in the offices of Charlie Hebdo. Francoise Mouly of The New Yorker still recalls how she felt after hearing that cartoonists had been murdered for simply drawing a picture.
Rio de Janeiro is a week away from its annual Carnival celebration and just months away from hosting the 2016 Summer Olympics. Now it finds itself battling the spread of a the Zika virus and calming the throngs who are expected to come to Rio.
Some plants do better at responding to drought the second time around. Scientists want to figure out how they "remember" — and if there's something we can do for other types of plants to give them a similar benefit.
Immigration agents have been knocking on doors in Texas, Georgia and South Carolina. Many deported parents don't have time to even say good-bye — which has led them to prepare in advance should that come to pass.
All of the Democratic contenders have called for government action to address climate change, but there seems to be little appetite for that among the Republican candidates on the stump in New Hampshire, where the first primary is just a few short weeks away.
Since arriving in office, President Barack Obama has grappled with issues and questions of race and racism in America. And there's a chance that his replacement could have a chance to build on his progress.