Why do I have such a sweet tooth?

CrowdScience listener Matt wants to know why he's warm blooded. He started thinking about this when he was watching some ants during the recent heatwave in Europe and wondered why their blood didn't boil. What are the pros and cons of being warm-blooded like us or cold-blooded re ...  Show more

Why is it hard to concentrate, and why does it feel like such hard work? The CrowdScience inbox is full of questions like that, so for this show we’re concentrating on concentration and focusing on how we focus. We’ll be answering questions about the extra energy the brain uses w ...  Show more

Marshmallows, lollipops, gummi bears -- we want them all! But we’ve all heard that eating a lot of sugar isn’t that healthy for us. So what’s the deal? Why do we like sugar so much in the first place? We’ll find out why our bodies evolved to seek out sweet things, and how clever ...  Show more

Americans are sugar obsessed. Can we cut back without making life feel less sweet? This Halloween, sugar studies expert Laura Schmidt shares tips for taming your sweet tooth. Plus, why she says we need to stop debating if sugar is addictive. Learn more about your ad choices. Visi ...  Show more

Sugar is everywhere around us. It's a reward, it's baked into every celebration we have. But for some, it becomes a problem when that sweet treat we want turns into something we need. Nikki and Mr. Malone break down the science of our confectionery cravings with a neuroscientist ...  Show more

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves yo ...  Show more