rachelle oldmixon is a neuroscience.

rachelle oldmixon is a neuroscience. turning a weed into a cycling marvel. i'm phil torres, i'm an entomologist exploring spiders in the rain forests of peru. secrets of civilizations past, long hidden from view suddenly available from outer space. that's our team. now let's do some science. ♪ ♪ >> hi guys, i'm phil torres, welcome to a very are interest interesting show of "techknow." i'm here to meet sarah parcak, buried picture midst in egypt is to start 380 miles from earth. contracts about our-- secretes about our history . helping learn about it. let's dig in. >>> to help unearth secrets of the ancient past, we look down into the space and into the future. dr. sarah parcak is is a pioneering archaeologist. using satellite imaging, she was the first to map egypt's city of tanis. she then used the same technology to discover over 300 settlements. there are many people out there that may see you guys out there digging around in the dirt and wonder why. >> i think if we look back there is so much we can learn from people in the past about who we are today.

rachelle oldmixon is a neuroscientist. now, science fights back . marita davidson, shows us why the tower of the san francisco bridge may be the safest place to ride out a major quake. and i'm phil torres. i'm an entomologist. that's our team. now let's do some science. ♪ ♪ ♪ ♪ ♪ ♪ >> welcome to "techknow." i'm phil torres and this week i'm here with kyle, rachelle and marita. kyle you went to harvard university to look at one of america's most deadly diseases. tell me about it. >> i went to harvard and spoke with researchers that found a molecular needle in a haystack. let's take a look. the human heart is a miraculous fist size feat of engineering. beating more than 2.5 billion times in a lifetime. pumping five quarts of blood in a minute or about 2.5 million galoshes a day. the equivalent of filling up your suv whom times 100 times a day. unfortunately, the heart isn't a machine that's built to last. [ flat line ] >> when you get these heart failure episodes what is it like? what does it feel like? >> it feels like you can't breathe and it feels

rachelle oldmixon is a

rachelle oldmixon is a neuroscience.