Motorized Meds

Medications, start your engines! This is Sandra Tsing Loh with the Loh Down on Science. In the last few years, scientists have developed biological micromotors for delivering drugs. They’re supposed to work like propellers, steering those healing medicinal molecules more quickly into your bloodstream. But there’s a problem. These motors

Stronger than Silk

Eat pencil lead, silkworms! Literally! This is Sandra Tsing Loh with the Loh Down on Science. Silks are used in many things, from bedding to bike tires to kimonos. How could we make these better? Stronger fibers! But how can you get a silkworm to spin extra strong fibers? Yingying

Grecian Formula

Was the first Grecian formula actually Roman? This is Sandra Tsing Loh with the Loh Down on Science. When it came to coloring hair, Ancient Rome was startlingly advanced. Its recipe for hair dye combines lead sulphide and lime. These create nanocrystals, which grow not just inside hair strands but