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A science question that you've always wanted answered it and we're happy to help out and send it to us as a video text ovoid smell if we answer it on the show well send you a little surprise as a thank you can i just ask. you'll find as i do w dot com slash science or drop us a line at e w underscore site tech on facebook d.w. dots is. the naturalist alexander from home but who explored large areas of south america rose about the healing properties of the rind of the cinchona tree which indigenous people used to treat a range of elements. later it's active and see malarial ingredients quinidin...

If problem is red why are very very few. do you have a science question that you've always wanted answered we're happy to help out yes and it to us as a video text ovoid smell if we answer it on the show we'll send you a little surprise as a thank you can i just ask. we like to ask you questions too and for this time our program we wanted to know what you associate with alexander from home but. we got a lot of answers from latin america where continues to be popular. elizabeth estrada notes that hobart is very famous for discovering the ocean current that bears his name. diego mother nardo poi...

And people on their toes. if outlet is right why ave latin i've. now it's your part of the show if you have a science question just ask send it to us as a video text or voicemail if we answer it on the show you'll get a little surprise so just ask this time we have a cosmic question sent in by a viewer in ghana. how fast is the universe expanding. in 1929 the american astronomer edwin hubble made a groundbreaking discovery. he could found early observations that the light from distant galaxies is more redshifted light from closer wadhams. that means that distant objects are moving away from us...

Red light disappears then the green and then the yellow what remains is blue light that hasn't been absorbed by the water further down that too is absorbed and you get to a point where no visible light at all has penetrated. so the color of the water seems to have depends on the quantity of it large volumes of water no clue. but a small amount of water appears transparent. you have a science question then just ask you'll find us at v.w. dot com slash science and on twitter and facebook. here's a fun fact waves have a strong effect on animals and plants take the panicle. you know those little a...

Ordeal. researchers believe they could even thrive on mars not on the surface but buried in deeper levels of the ground where there are reservoirs with liquid water. that's why the europeans want to launch their 1st research rover to mars soon it'll drill into the surface to a depth of up to 2 meters and search for fossils of mars microbes but detecting living microbes would take decades if they exist at all. why i'll be glad. to. see you have a science question that you've always wanted answered it we're happy to help out send it to us as a video text over as well if we answer it on the show ...