i'm phil torres and i'm here with kyle, marita and crystal. i love a big challenge in the field.re is a mystery that i went to the per yo youuvian amazon. one of the best thing about working in the amazon rain forest is the road along the way. join me on the expedition that's about to get wet, wild and a little bit muddy. the peruvian amazon, a huge population of endemic plant and animal species, meaning they are found nowhere else on the earth. this makes it one of the most beautiful and pristine places around. about six months ago the researcher here at the tamba pata research center took a picture and posted it on the internet. little did he know the huge amount of attention it would get as a group of amateurs and experts tried to figure out what it was. we're trying to figure out what's making it. all right, we are reaching the island where this thing was just found a few months ago and we just found 20 of it. what is the action? >> catching a human in the action of making it. >> this thing has really confused me bececse i keep going between it being possibly a spider or mayb

i'm phil torres here with kyle, marita and crystal.what you got for us. >> so imagine the day when you go to the supermarket and instead of going to the meat section you go to the protein section. you have chicken, beef and pork but a whole lot of plant based protein as well. i got to check out their products and put it to the test in a barbecue. let's check it out. grilled, sauteed, processed or packaged. >> organic science fan? >> america's obsession with meet is ferocious. >> four pounds is even better. >> and bigger is better when it comes to our april tide as evidenced from this wendy's ad from the '80s which epitomizes america's infatuation with beef. >> where's the beef? >> we school 250 pounds per person per year. experts predict we won't be able to sustain it. >> i would say we are already not doing it sustainably. we already are applying on the planet's resources more than we really should be if you just look at climate change alone. >> the united nations estimates that meat consumption will rise nearly 75% by 2050. the risin

i'm here with marita and rachelle. hi, nasa seekers mission, this is a gc-8, loaded with millions of dollars of equipment measuring the air as we're flying through the gulf. it was a pretty incredible experience. let's take a look. ists 7:30 in the morning and -- it's 7:30 in the morning. and hangar 9 is buzzing with excitement. >> any last questions about what we're going to be doing today? save jet. >> from a distance our plane looks like any other. but close up you can see it's anything but. i'm minutes away from boarding this plain with nasa experimentalists. it is a nasa gc-8, trying to measure the pollution and the atmosphere. it's a three pronged attack. the signs of the tc 8, after the u 2 spy plane. the er 2 application is a sight to see. everything about it has the feeling of a flight to space. the men who fly the plane undergo special training and wear a pressurized flight soot. several weather probes collect the information and beam it back to earth. >> seated, door closed. >> the men and women are learning

marita davidson, is a scientist, a meat substitute that claims to taste like the same thing. >> it does taste like chicken. >> dr. crystal dilworth is a molecular neuroscientist. what's the

hard core in other words: marita davidson, is a scientist, specializing in ecology and evolution. testing a meat substitute that claims to taste like the same thing. >> it does taste like chicken. >> we've put it to a test. >> dr. crystal dilworth is a molecular neuroscienti