. >> marita davidson is an environmental biologist >> i am holding a tray of elephant poop. >> she'll show us the high tech plan to stop the killing. >> wow >> then, sea lion's stranded along the california freeway. yes, freeway... >> dr shini somara is a mechanical e engineer, she'll show us what's been done to to find out why this is happening. >> at this stage, are they feeling distressed? and i'm phil torez, i'm an entomologist. that's our team, now lets do some science. >> welcome to techknow im phil torres joined by marita davison and dr. shini somara. guys there are outlaws out there working in the shadows committing horrible acts against defenseless yet majestic animals. we're talking about the ivory poachers who have decimated the populations in africa. >> it's really alarming because ivory goes for about a thousand dollars a pound, that's more valuable than illegal drugs. >> and you know what that means is that the damage has been devestating over a hundred thousand elephants have been killed in just the last three years and the question is what can we do about it? we found