six the following morning we fly back to mount sinai. listen 1% of antarctica is ice free making a place like this prime real estate listings. many of the checks have been left to fend for themselves while their parents go to seed to catch curl. the pinkish color of the shrimp like food often ending up staining the from this. as far as we know the scientists have never visited this -- piuin coly before so the group with one tonight how large its and whether there's any other species living here we have -- behind me hello deli pain when i was gonna turn around here shay this check her. he he's looking a bit all because he's losing his by because a few months -- doesn't say is very friendly. when the parents would soon the much in demand sometimes from their own offspring but frequently from other hungry bids hoping for a feed? it's late in the season and many are exercising their wings and nothing about. leave. other things does is they give you this. sort of canary in the coal mine indicati as to what's happening in the southern ocean. a

eric watson at the brain injury research center at mount sinai hospital was able to show us the impact race had on carlton's ability to qualify for an award from the nfl in generating the scores. it's easy enough to adjust the scores to see what the scores will look like if you were white. so if we took res, norms out, these would be carlton scores here at the data direct changes while labels are of his are totally different. yeah, these are totally different severe impairment that nothing was severe impairment on the other one. no. i mean this is a quantum difference, not a small difference. a train someone's like a completely different person, right? with one click of a button, you go from a man who is qualified for part of the settlement to manners. not absolutely. no. wow. look at the numbers. not even a little from what why did they do this to him? to say that my husband wasn't sick because once they said that and he read that, he believed that he said they know what to do. 130 and i failed the good doctor's and how do you think that impacted the outcome? good theory that no mm ho

pop culture that just leads to disconceptions says the head neurologist treating craig elgin at mount sinaiof the common misconceptions? >> things like why can't you hold it? ? it must be something you're doing on purpose. the misconception it's all about swearing and doing inappropriate behaviors which may affect some individuals with tics and tourettes but not everybody. >> reporter: even with persistent symptoms, craig elgin at 37 years old functions pretty normally. he is a police officer with the molaca minnesota police department. >> it doesn't affect anything i do. there are times like everyone you get a little self-conscious about it. and i shouldn't do that because of my tics. >> reporter: it looks tiring. >> you get used to it. >> reporter: really? >> yeah. online, that's one of the top three questions i get asked the most. >> reporter: offduty and online, elgin has brought together more than 150,000 people on social media. that's where he is known as tourettes cop. thousand how i found him. i was diagnosed with tourettes at the age of 6. >> i feel like we know each other. >> abso