Jorge Ribas is a senior video journalist on the National desk at The Washington Post. He joined the Post in 2014 after having spent five years at Discovery Channel as a science visual journalist.

Argonne National Laboratory is the first and the largest national labs chartered in 1946 in DuPage County, Illinois. The US Department of Energy funds Argonne National Lab and U Chicago Argonne, LLC ...

Mackenzie Dern kicked off 2025 with a heaping helping of revenge. The strawweight jiu-jitsu ace submitted Amanda Ribas with a nasty third-round armbar on Saturday night in the main event of UFC ...

Climbing Two Up, One Down: Exacting revenge on Amanda Ribas, Mackenzie Dern earned her ninth win in the UFC’s strawweight division. She is now two shy from leader Angela Hill, with four other ...

Amanda Ribas has issued a statement following her loss to Mackenzie Dern at UFC Vegas 101. Dern avenged the first loss of her MMA career by winning the strawweight headliner by a third-round ...

Strawweight contender Amanda Ribas issued her first remarks since a submission defeat to Mackenzie Dern in the first UFC main event of 2025. Amanda Ribas and Mackenzie Dern treated fight fans to a ...

In the main event, No.6-ranked strawweight contender Mackenzie Dern faced No.8-ranked Amanda Ribas. This fight was a rematch of their Oct. 2019 encounter, which Ribas won by unanimous decision ...

Mackenzie Dern gained redemption against Amanda Ribas, securing a submission victory at the 4:46 mark of the third round at UFC Vegas 101 on Saturday. Dern lost to Ribas in 2019 by unanimous ...