Bob Henson, weather and climate blogger at Weather Underground, discuss the arctic blast of cold air the United States has seen over the last couple of weeks and the "bomb" cyclone that meteorologists are calling winter storm Grayson.
Henson tells us what a "bomb" cyclone is, noting that "Grayson" is actually a "double bomb" because of the intensity and speed at which the pressure dropped.
We also talk the differences between climate and weather, referencing President Trump's tweet that insinuates that cold weather might be a reason to dismiss climate change is real.
Henson also compares winter storm Grayson to 1993's "Storm of the Century," breaking down the differences and similarities between the two.
Five-time Olympic gold medal swimmer Missy Franklin was at the top of her sport when a shoulder injury forced her to retire. After that, her father was diagnosed with a rare kidney disease that forced her family to come together to support him. Now Franklin is working with Otsuka Pharmaceutical to raise awareness of genetic diseases and ADPKD, the disease that affected her father.
Federal health officials are expanding an investigation into potentially lead-tainted pouches of apple cinnamon fruit puree marketed for children amid reports of more illnesses and additional product recalls.
Kamili Bell Hill, author of "Happy Plants, Happy You: A Plant-Care & Self-Care Guide for the Modern Houseplant Parent," explains what you can do to make your houseplants thrive.
Marci Hopkins, recovery expert and author of "Chaos to Clarity: Seeing The Signs and Breaking The Cycles," talks about her own intergenerational experience with addiction that drove her to make changes and help others.
The Centers for Disease Control and Prevention announced that it will expand its infectious disease surveillance programs at major airports around the country.
Astronaut Thomas Kenneth Mattingly, who helped bring the crew of Apollo 13 back to earth after an explosion threatened their lunar mission, has died at 87.