D: I guess it make sense. It's just I've heard that regular physical activity can strengthen your immune system and help prevent catching cold and other illnesses. So I figured that even if youre already sick, doing something physical may help. Y: We...
When you go to the pet store to pick out a new puppy, one of the first questions you may be asked is whether you want a male or a female. And when your friends have a new baby the first thing you find out is whether its a boy or a girl. We may be fam...
Antibiotics, as the name implies, work against life, or more specifically against living cells. Since our bodies are also made up of living cells, the antibiotics have to distinguish between the cells in our bodies and the cells of the bacteria causi...
Today, a fever is an uncomfortable nuisance, but a hundred-plus years ago, fevers were often fatal. The difference between then and now is the class of drugs known as antibiotics. As the name implies, anti-biotics work against life, or, more specific...
Is there any way to prevent or cure dementia? Unfortunately, no: theres no cure for dementia. And theres no sure fire way to prevent it, either. But scientists suspect that some types of foods may help the brain stay healthy longer. Right.For example...
In two studies, scientists showed volunteers a series of words or images while their brains were being monitored. The volunteers were not told it was a memory experiment, so they made no special effort to memorize the words or scenes. After the exper...
Do you remember who won the world series in nineteen sixty- eight, but forget where you left your keys? Are you great at remembering all the details of a story, but lousy when it comes to remembering peoples names? What our brains choose to remember,...
A surprising phenomenon sometimes occurs to people who have lost a hand. Soon after the hand is lost, they report that they can feel it again this time when something touches the side of their face. A neurologist can lightly touch different areas on...
The babies who watched the video with a parent didnt do terribly worse, but they definitely didnt learn more. The clear implication is that infants learn best from live interactions with their parents. Other studies have found that smart baby videos...
Ya?l: How's it going, Don? D: OK, I guess. Y: What's wrong? D: Well, I've been getting headaches lately, and my neck and shoulders are kinda sore. Y: It sounds like you have the classic symptoms of computer vision syndrome. D: Really? I can see why s...
Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot...
Dear Annie: I'm a 15-year-old girl, and my friend Kendall has stolen a ring from me. I've known Kendall for a couple of years, and recently we've become best friends. I invited her over to my house and showed her the ring, and she really liked it. Th...
Mike: I think my cat might be coming down with something. Amanda: Poor thing. She has looked a bit unhappy recently. Do you think she's sick? Mike: I don't know, but it's better to be safe than sorry. Let's take her to the vet; she needs a couple of...
Don: [WHISTLING A BIRDSONG-LIKE TUNE] Ya?l: Nice tune Don, but can you whistle with your tail like an Anna's hummingbird? D: Hummingbirds can whistle with their tails? Y: Male Anna's hummingbirds, which live along the west coast of North America, can...
Ya?l: Hey Don, what's that? Don: It's a tomato I found! Don't you think it looks like Richard Nixon? I wonder why tomatoes and other fruits sometimes grow into such different shapes. Y: Scientists wonder about that too, and they are a step closer to...
