mittermeier. one, two, three. >>> the fda today chose the four strains of the flu that will be targeted in the vaccine for next season. >>> from pole to pole and just about every place in between, nicklynn and mittermeier have used their cameras to give nature a face, whether human or otherwise. >> it's got to be beautiful, it's got to teach you something, and it's got to make you care. okay, iunderwear that's'd say this, bactually pretty.er leak surprised? it's called always discreet boutique. it looks and fits like my underwear. i know what you're thinking. how can something this pretty protect? hidden inside is a super absorbent core that quickly turns liquid to gel... ...for incredible protection. so i feel protected... ...and pretty. always discreet boutique. it's league night!? 'saved money on motorcycle insurance with geico! goin' up the country. bowl without me. frank.' i'm going to get nachos. snack bar's closed. gah! ah, ah ah. ♪ ♪ i'm goin' up the country, baby don't you wanna go? ♪ ♪ i

. >> reporter: from pole to pole, and just about every place in between, cristina mittermeier and paul nicklen have used their cameras to give nature a face, whether human or otherwise. >> it's got to be beautiful, it's got to teach you something, and it's got to make you care. got to make you care. ise, helps lower blood sugar in adults with type 2 diabetes. lowering a1c by up to 1.2 points. do not take if allergic to farxiga. if you experience symptoms of a serious allergic reaction such as rash, swelling, difficulty breathing or swallowing, stop taking and seek medical help right away. do not take farxiga if you have severe kidney problems, are on dialysis, or have bladder cancer. tell your doctor right away if you have blood or red color in your urine or pain while you urinate. farxiga can cause serious side effects including dehydration, genital yeast infections in women and men, serious urinary tract infections, low blood sugar, and kidney problems. stop taking farxiga and call your doctor right away if you have signs of ketoacidosis which is serious and may lead to death. ask yo

. >>> from pole to pole and just about every place in between, nicklynn and mittermeier have used their cameras to give nature a face, whether human or otherwise. >> it's got to be beautiful, it's got to teach you something, and it's got to make you care. sometimes a cough gets in the way of a good night's sleep. that's when he needs vicks vaporub. proven cough medicine. with 8 hours of vapors. so he can sleep. vicks vaporub. goodnight coughs. >>> the fda today chose the four strains of the flu that will be targeted in the vaccine for next season. but scientists at the national institutes of health are looking far beyond next year as they try to develop a universal flu vaccine. here is our chief medical correspondent dr. jon lapook. >> reporter: it's the same problem each year, making a vaccine against a flu virus is like trying to hit a moving target. >> it changes. it mutates just enough to get it out of the range of the vaccine. >> reporter: dr. anthony fauci heads up vaccine research at the national institutes of health. he says we need a brand new approach. >> we've been using this