Theres been speculation that humans basically used to sleep when it got dark, which would mean theyd sleep 10, 11, even 12 hours. It turns out that thats not the case. Sreenivasan all that and more on tonights pbs newshour. Major funding for the pbs newshour has been provided by bnsf. And by the alfred p. Sloan foundation. Supporting science, technology, and improved Economic Performance and Financial Literacy in the 21st century. Support also comes from Carnegie Corporation of new york. A foundation created to do what Andrew Carnegie called real and permanent good. Celebrating 100 years of philanthropy at carnegie. Org. And with the ongoing support of these institutions this program was made possible by the corporation for public broadcasting. And by contributions to your pbs station from viewers like you. Thank you. Sreenivasan president obama announced today hell keep american troops in afghanistan through the end of his presidency, extending americas longest war. The policy reversa
By contributions to your pbs station from viewers like you. Thank you. And by the corporation for public broadcasting. Major support for frontliis provided by the john d. And catherine t. Macarthurt. Foundation, committed to building a more just, verdant and peaceful world. More information is available at macfound. Org. Additional support is provided by the park foundation, dedicated to heightening Public Awareness of critical issues. The john and Helen Glessner family trust, supporting trustworthy journalism that informs and inspires. The ford foundation, working with visionaries on the front lines of social change worldwide. At fordfoundation. Org. The wyncote foundation. And by the frontline journalism fund, with major support from jon and jo ann hagler. Corporate funding for frontline is provided by the future of surgery is within sight. Our research is studying how realtime multimodality imaging during surgery can help precision and outcomes. Pr brigham and womens hospital. It al
And by the corporation for public broadcasting. Major support for frontliis provided by the john d. And catherine t. Macarthur foundation, committed to building a more just, verdant and peaceful world. More information is available at macfound. Org. Additional support is provided by the park foundation, dedicated to heightening Public Awareness of critical issues. The john and Helen Glessner family trust, supporting trustworthy journalism that informs and inspires. The ford foundation, working with visionaries on the front lines of social change worldwide. At fordfoundation. Org. The wyncote foundation. And by the frontline journalism fund, with major support from jon and jo ann hagler. Corporate funding for frontline is provided by the future of surgery is within sight. Our research is studying how realtime multimodality imaging during surgery can help precision and outcomes. Brigham and womens hospital. It all starts here. Previously on my brothers bomber. There was a man there, and
Abdullah al-Senussi, former head of military intelligence under late Libyan leader Moammar al-Gaddafi, denied on Monday charges that he was involved in the killing and quelling of protests during the February 17, 2011 revolution that toppled Gaddafi. Senussi appeared before an appellate court in the capital Tripoli where “he faced over 25 charges, including the killing of protesters,” said his lawyer Ahmad Nashad. Nashad told Asharq Al-Awsat that Senussi denied all the charges during the hearing that lasted four and a half hours.