Subtitled in Portuguese5:08How do animals regrow their limbs? And why can't humans do it?Jessica WhitedTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:01What are those colors you see when you rub your eyes?Paul CJ TaylorTranslated by Eliana SantosReviewed by António Ribeiro
Subtitled in Portuguese4:59How does kidney transplant surgery work?Alexander H. ToledoTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:45How do heat waves affect your body?Carolyn BeansTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese4:29Why is it so dangerous to step on a rusty nail?Louise ThwaitesTranslated by Ana Sofia FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:28What is hysteria, and why were so many women diagnosed with it?Mark S. MicaleTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese9:02How you could see inside your body — with a micro-robotAlex Luebke, Vivek KumbhariTranslated by Eliana SantosReviewed by Margarida Ferreira
Subtitled in Portuguese15:18A firework ladder to the sky — and the magic of explosive artCai Guo-QiangTranslated by Eliana SantosReviewed by Margarida Ferreira
Subtitled in Portuguese4:56How do bulletproof vests work?Max G. LevyTranslated by Ana Sofia FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:21What’s the best way to treat the common cold?TED-EdTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:07The birth of the galaxy in 60 secondsScott HershbergerTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:17What does appendix pain feel like?David R. FlumTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese4:56Are you more likely to explode or freeze in space?Tejal GalaTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese4:19The most dangerous elements on the periodic tableShannon OdellTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:19Why did people wear powdered wigs?Stephanie Honchell SmithTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese5:30Why is Alzheimer’s disease so difficult to treat?Krishna SudhirTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese4:56The coolest stuff animals can do with their tonguesCella WrightTranslated by Margarida FerreiraReviewed by Eliana Santos
Subtitled in Portuguese3:58Why does hitting your funny bone feel so horrible?Cella WrightTranslated by Margarida FerreiraReviewed by Eliana Santos