. >> we have to tell you about incredible human endurance intel for to on a scale -- in cal ifornia. >> they have climbed a cliff face in yosemite without climbing aids. they started on december 27. the peak is like climbing three-towers. -- eiffel towers. thank you for watching. i will see you back here tomorrow. >> make sense of international news. >> funding of the presentation is made possible by the freeman foundation. the newman's own foundation. giving all profits to charity and pursuing the common good. kovler foundation. mufg. >> we can do more work together. -- when we work together. with support cultures and support every entity across the globe. success takes partnership. only through discipline and trust can we create something greater than ourselves. we build relationships that build the world. >> captioning sponsored by macneil/lehrer productions >> ifill: the french government cracks down on hate speech as parisians flock to newsstands to buy the first edition of "charlie hebdo" after the terror attacks with a controversial cartoon of the prophet mohammad on the cover

researchers cal ifornia could you late calct and w statistics.isk fell with those inactive burning just 90 to 120 calories per day can rece your risk by 16% to 30%. that's equivalent to a brisk walk of about 20 minutes. >>> you could soon be taking a pill instead of eating a meal. researchers are working on an imagine their meal pill. this robot right here helped scientist create a drug that tricks your body into thinking that you've already eaten and then burns fat instead. so how does it work? >> normally when you have a meal this compound mimic ss it thinking of the normal process that you have a meal. >> experts say it will not have the side effects caused by many other diet drugs, things like heart issues, which is never good. bower body needs nourishment. >> yeah i think this this is for extreme conditions of people really need help losing weight. the rest of us just need to get out there and walk. >> take the stairs right? >> i'll have the extheir mean with a side of -- >> walking around, tom, folks will do that this morning, we still need