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  • Women’s Tennis Association suspends all tournaments in China

    01:29
  • Blinken seeks to ease Russia-Ukraine tensions

    01:30
  • How Amazon gets gifts to your door just two days after purchase

    02:33
  • Alec Baldwin says he never pulled trigger in ‘Rust’ movie set shooting

    01:48
  • Senate votes to avoid government shutdown

    01:21
  • Biden announces new Covid plan as omicron variant spreads

    03:00
  • First case of omicron variant detected in U.S.

    02:47
  • Supreme Court hears Mississippi abortion case that challenges Roe v. Wade

    02:27
  • Abortion providers say stakes are 'unbelievably high' for Supreme Court case

    01:48
  • Trump tested positive for Covid before Biden debate, sources say

    01:17
  • Tucson officer fired after fatally shooting man in wheelchair

    01:51
  • How one of America's largest railroads plans to avert future supply chain crises

    02:46
  • An up-close look at this year’s Rockefeller Center Christmas Tree

    01:46
  • Teen suspect in Michigan high school shooting charged as adult

    01:34
  • Tiger Woods speaks out about recovery after near-fatal crash

    01:44
  • How a nonprofit is pushing forward to give back despite a dip in donations

    01:30
  • One-on-one with labor secretary on shipping backlog and jobs

    01:45
  • Jury selection underway in officer’s trial over death of Daunte Wright

    01:38
  • Accuser testifies in Ghislaine Maxwell trial

    01:32
  • 15-year-old suspect in custody after deadly shooting at Michigan high school

    01:24

Exclusive: Inside NFL funded lab designing safer helmets

02:51

NBC News’ Lindsey Reiser went inside the lab working with the NFL to map out every concussion impact in the league. Now, they’re working to build a better football helmet to keep all players, from professional down the youth level, safer.