Why It's So Hard To Get A Flu Vaccine Right
An effective flu vaccine must target the right strains of the virus. If those strains change quickly enough, we get a severe flu season like this one.
LEARN MORENew research shows flu can spread through respiration more easily than we thought.
Through the 613 days of infection, the virus evolved into a "novel immune-evasive variant" that had mutated over 50 times.
Over two-thirds of the United States was under some level of a heat alert last year due to rising temperatures.
Those who are dieting generally reach a weight loss plateau after about a year on average, but these interventions may help.
Our oceans are full of plastic — an estimated 200 million metric tons. And it's the microscopic pieces that could be the biggest threat.
In a new report, the International Labor Organization suggested ways for governments to help address the rising effects of climate change on workers.
Engineers had to rearrange code on one of Voyager's computers to avoid memory corruption. Now its science mission is set to continue.