It's not been a good year for Florida's citrus industry. The U.S. Department of Agriculture reports that, for the second year running, the orange crop is expected to be almost 10 percent lower than the previous year.
The culprit is citrus greening, a disease that has devastated Florida's oranges and grapefruits, and has now begun to spread in Texas and California.
On Feb. 21, Alexandra Wolff ate steak, mashed potatoes and broccoli for dinner. Later that night, sitting in her room, she spent 20 minutes scanning pictures in InStyle magazine.
She remembers those things, just as she remembers that on Aug. 2 she stopped at Target and bought Raisin Bran; and on April 17 she wore a white button-down shirt; and on Oct. 2 she went to TGI Fridays and spoke to the hostess, who was wearing black leather flats with small bows on them.
The law that protects endangered species turns 40 tomorrow and perhaps the most controversial thing the government has done under the law is to reintroduce the gray wolf. Ranchers and hunters strongly opposed the move and now the federal government wants to take the gray wolf off the endangered species list. NPR's Elizabeth Shogren reports, this time, it is the scientists who are protesting loudly.
ELIZABETH SHOGREN, BYLINE: Ecologist Carlos Carroll is walking through the snow in a wide valley in Northern California.
From NPR News, this is ALL THINGS CONSIDERED. I'm Robert Siegel.
Car companies have already begun to design cars that can drive themselves. But to make these smart cars really useful, they'll also need smart roads. As part of his series, "Joe's Big Idea," NPR science correspondent Joe Palca has this story about some computer scientists who were designing a smart traffic intersection. How smart? Well, it can keep traffic flowing at least 10 times faster than old-fashioned intersections.
Doctors have long suspected that head trauma boosts the risk of getting Alzheimer's disease later on, but the evidence on that has been mixed.
But it looks like people who have memory problems and a history of concussion are more likely to have a buildup of plaques in the brain that are a risk factor for Alzheimer's, according to researchers at the Mayo Clinic.
When it comes to health care, the rollout of the Affordable Care Act was supposed to be measured in the millions. That's how many people were expected to sign up for insurance to begin on Jan. 1.
But for both supporters and opponents of the law, there's one number that sticks out above all others. Six. That's how many people actually managed to enroll through the federal HealthCare.gov website the first day it opened, Oct. 1.
For President Obama, 2013 wasn't just the year of Obamacare. It was also the year of the brain.
In April, Obama announced his Brain Research through Advancing Innovative Neurotechnologies (BRAIN) Initiative â€” an effort to unlock "the mystery of the three pounds of matter that sits between our ears."