If you live up in the mountains, understanding the continually shifting landscape can mean survival. Mountains are continually shifting. Erosion wears mountains down, but active mountain ranges are also continuously rising. And heres the interesting...
Y: I noticed that fish have holes that look like nostrils, does that mean they can smell? D: Smell, or olfaction, as scientists call it, is an important sense for many fish. Those little holes that look like nostrils are called nares. Nares dont lead...
Polly Talks, Therefore He Thinks? Calling someone a birdbrain is not intended as a compliment. But some birds seem pretty smart. Parrots, for example, can mimic human speech. But does a parrots ability to repeat human words and phrases mean that it c...
Squirrel vs. Snake So lets say youre a common ground squirrel. Just for a moment, pretend youre minding your own business, searching for seeds, doing whatever it is that squirrels like to do. Then, suddenly, out from behind a bush slithers a huge, si...
Remembering Appearances Y: Don, Who do you think is better at remembering details of peoples appearances, women or men? D: Women, hands down, Yael. You women are so judgemental about appearences, you pick on the tiniest details of a person's clothing...
白天想念某人,晚上就会梦见TA吗? Many of you probably think that the more time you spend thinking about something, the more likely you would be to dream about it. A study suggests the opposite, that if we actively try to suppress a sub...
Hi there, I'm Ricky from the BBC World News for Children. It's Thursday the 10th of June. Coming up: Pop star Shakira's set to kick off the World Cup. South Korean rocket has 'exploded'. And the technology that allows students to sit exams at home. F...
D: OK, Yael, if you were me, would you take your date to a violent action flick, or a romantic movie? Y: A romance, of course. D: There might be some scientific basis for why romantic movies make for good dates. In one study, participants were asked...
D:Yael, do you know what's the best thing about state affair? Y: Do you tell. D: Fried candy bars, two favoriate treats rolled into one. And doesn't it bother your mind how they manage fried chacholate without making a terrible mess? Fried candy ba...
D: Oh, no, Yeal, it is starting to rain, and I left my ant farm outside.Now my ants would drown and die. Y: Come on, Don. I am guessing plenty of ants drown everytime it rains, which makes me wonder how do ground-nesting ants cope with rain? D: Actua...
Hi there, I'm Sonali from the BBC World News for Children Team. It's Friday the 4th of June. Coming up..... McDonald's has pulled Shrek glasses over health fears. There's been a massive fire in Bangladesh. And Stosur reaches the French Open final in...
Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you're in for a surprise. Chlorine and other disinfectants do indeed help to clean the water, but some...
Don: Hey, Yael, Have you heard? We've discovered two new oceans? Yael: Where? D: On Mars. Well, they aren't there any longer, but they were there a few billion years ago. Y: I thought scientists weren't sure if Mars had oceans or not. D: They weren't...
Some methods of preserving food are easy to understand. For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause it to spoil. You might wonder, however, about...
It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto...