How to master your sense of smell
AdultsBiologyHumanScience...Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.
Forget Oxygen-This Leaf Produces Medicine
AdultsHealthNatureTechnology...This artificial leaf creates medicines using sunlight.
Why do we feel nostalgia?
AdultsHealthHistoryPsychologyNostalgia was once considered an illness confined to specific groups of people. Today, people all over the world report experiencing and enjoying nostalgia. But how does nostalgia work? And is it healthy? Clay Routledge details the way our understanding of nostalgia has changed since the term was first coined in the late 17th century.
Are preservatives bad for you?
AdultsFoodHealthScienceFood doesn't last. In days, sometimes hours, bread goes moldy, apple slices turn brown, and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store, hopefully unspoiled, thanks to preservatives.
Muscle-Mimicking Robots Could Change Physical Therapy
AdultsBiotechnologyHealthTechnologyThey are flexible and reconfigurable, and behave like actual human muscles.
How To Eradicate One Of Our Deadliest Enemies
AdultsHealthScienceBiotechnologyWe have the choice to attack one of our oldest enemies with genetic engineering. But should we do it?
Aphasia: The disorder that makes you lose your words - Susan Wortman-Jutt
AdultsLanguageMental HealthHealth...Language is an essential part of our lives that we often take for granted. But, if the delicate web of language networks in your brain became disrupted by stroke, illness, or trauma, you could find yourself truly at a loss for words.
How Will You Die?
AdultsData ScienceLifeScience...Science, statistics and lifestyle can help predict how you will die!
Which sunscreen should you choose?
AdultsGlobal WarmingHealthEnvironment...Sunscreen comes in many forms, each with its own impacts on your body and the environment. With so many options, how do you choose which sunscreen is best for you?
Why do we hiccup?
AdultsBiologyScienceHealthThe longest recorded case of hiccups lasted for 68 years ... and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these 'hics' in the first place? John Cameron takes us into the diaphragm to find out.
Mark Lesek: A New and Old Prosthetic
AdultsDisabilityTechnologyHealthMark lost his arm several years ago. Now his search for a better prosthetic could improve the lives of amputees everywhere.