Vision Quest

So many kids today are nearsighted. Is the villain… Candy Crush? This is Sandra Tsing Loh with the Loh Down on Science. Facebook, Youtube, Fruit Ninja – everyone seems to be glued to their screens these days, especially the kids! Is all this screen time hurting children’s eyesight? Po-Wen Ku

Photo Finish

Picture the past… If you can! But can you? This is Sandra Tsing Loh with the Loh Down on Science. The first photographs were daguerreotypes. They were developed using mercury and gold instead of silver, which came later. These pieces of history are tarnished and may be lost forever! Or…

Tangled Tongues

Polyglot your tongue? This is Sandra Tsing Loh with the Loh Down on Science. Many people think they are too old to learn a new language. Supposedly, young kids pick up languages faster because their brains are still developing. But is any of that really true? Joshua Hartshorne, Joshua Tenenbaum

Toxic Baby Food

Ughhh, what did I eat?. This is Sandra Tsing Loh with the Loh Down on Science. Caterpillars are cute, but not when they damage crops. Plants defend themselves by producing chemicals that attract wasps, a natural pest control. Wasps lay eggs in caterpillars, and hatchlings slowly eat the caterpillars from

Rice Cooker

Rice is delicious! But no longer nutritious? This is Sandra Tsing Loh with the Loh Down on Science. Climate change can really bring the heat! But, ocean levels aren’t the only thing on the rise. Carbon dioxide levels are also increasing. How does this change in the atmosphere affect our

Relephant Factors

What makes an elephant pack its trunk. . . and leave? This is Sandra Tsing Loh with the Loh Down on Science. Elephant societies are matriarchal. Mothers and grandmothers lead the way. Sadly, older females are often targeted for their tusks. This leaves their family orphaned! So what happens when

Bar-B-Q-rius

Ah, summertime…the smell of barbecue and… CANCER? This is Sandra Tsing Loh with the Loh Down on Science. Summer barbecues are delicious and fun! Unfortunately, eating grilled meat and inhaling smoke increases your risk of cancer. But is that the only risk? Professor Eddy Zeng and his students from Jinan

Tooth Toughener

Munch, munch, munch ouch! Not another cavity! This is Sandra Tsing Loh with the Loh Down on Science. Cavities are a pain. To slow their formation, we add fluoride to toothpaste. But fluoride doesn’t help with cavities once they form. What if something else could? Researchers at the University of

Scent of a Mosquito

Bzzz bzzz, smack! You—literally—smell good enough to eat! This is Sandra Tsing Loh with the Loh Down on Science. Those pesky mosquitoes! They do more than just bug us. They spread malaria! Yikes! Even more horrifying? Once you’re infected by a malarial mosquito, you attract more of them! Never fear,