Three Mom Mice

Is it the end of men? This is Sandra Tsing Loh with the Loh Down on Science. Men. Who needs ‘em! Not some female sharks, spiders, and komodo dragons. They can create babies on their own. Mammals are different. For us, certain genes important for embryonic development are turned OFF

Marijuana Mama

Mothers to be—No more T-H-C! This is Sandra Tsing Loh with the Loh Down on Science saying: Turn on, tune in, and LEAVE THE POT OUT. Marijuana has been legalized in twenty-five states in the U-S, for medical or recreational use. Of those who smoke marijuana, 6 percent are pregnant

Sex and the Single Sawfish

Don’t have a date? Or a mate? No problem! This is Sandra Tsing Loh with the Loh Down on Science. Animals sometimes go solo. Why? Because they can reproduce without mating: virgin birth! Technically, it’s called “parthenogenesis.” Instead of DNA from mom and dad, offspring just have mom’s DNA. So