Jennifer asks: I’ve read that vaccines cause autism and that they don’t. What’s the truth with this? In 1998, there was a groundbreaking study telling parents that their children were at risk of getting autism from vaccines. Parents everywhere collectively gasped. After all, they had been told for years vaccines were the best way to prevent any number of unwanted […]

Laury asks: What causes morning sickness? Most mothers will tell you that “morning sickness” is a misnomer, and that it should really be called “all day sickness.” In fact, it’s sometimes called “nausea and vomiting during pregnancy” or NVP. Pregnant women have been experiencing this unfortunate side effect of growing a parasite… err human inside them seemingly for as long […]

Kateri asks: How did organic matter become fossil fuels? Three hundred million years ago (or so), about the time amphibians first emerged from primordial seas, enormous, lush swamps filled with large trees, ferns and other leafy plants thrived along the coasts of the ancient ocean, which itself was filled with algae and billions of microorganisms. Plants and algae breathe in […]

Dev asks: What causes spontaneous combustion? Most of us experience combustion, a chemical process where a fuel combines with oxygen to produce heat and light, in the form of a fire where both the fuel and ignition source are well known. In some circumstances, however, the trigger that ignited the fire is not a definite source, like a match, but […]

Carmen asks: Does stormy weather really cause people’s joints to ache? You might have heard grandma or grandpa predicting a storm because they “could feel it in their bones” and when a storm hit you probably thought they’d been watching the weather channel. Turns out, their joints *probably* do get a little achy when it’s about to rain. “Weather pain” […]