Operation Tiny

Cancer cell destruction sequence initiated. Pew pew!  This is Sandra Tsing Loh with the Loh Down on Science. Needles sting; pills can be hard to swallow! Ever imagine a future in which tiny robots deliver medicine inside our bodies? Well that future starts NOW! Inspired by hinges and pistons, scientists

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Bite-time Story

Image of mosquitoes (Anopheles stephensi) which transmits malaria. Photo credit - Jim Gathany This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL).

Bugged by pesky mosquitoes? Try adjusting your ALTITUDE! This is Sandra Tsing Loh with the Loh Down on Science. Malaria is a deadly disease spread by mosquitoes. And almost eighty percent of malaria mosquito bites occur indoors. BUT, these mosquitoes fly close to the ground. Could raising the height of

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Neck Envy

Photo of giraffe neck with open sky background.

You wanna talk about HIGH blood pressure!  This is Sandra Tsing Loh with the Loh Down on Science, saying ask a giraffe! Giraffes have loooong necks. So pushing blood ALL the way up to their brains requires VERY high blood pressure! But in humans, high blood pressure causes heart damage.

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Only One Shot

In this 2006 image, a qualified healthcare practitioner was in the process of administering an intramuscular immunization to a woman, using the woman’s right shoulder muscle as the injection site.

Say it together: “One shot to rule them all!” This is Sandra Tsing Loh with the Loh Down on Science. I got my flu shot LAST year — why do I need another one?? Because the flu virus resembles a spiky seed pod! Your immune system recognizes those spikes to

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