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An engineer helps robots develop a sense of touch using tactile sensors; Miranda spills the STEM Tea on frogs; a physicist tests how sunscreen blocks UV rays and, a timber tracker smells the different chemical makeups of trees.
The songs of gibbons and their meanings; creating light using chemicals; a statistician demonstrates statistics, with birthdays; the importance of permafrost.
An immunologist levitates cells in order to fight cancer; vessel Astro Athena navigates the Earth using stars; the animals living underground.