Uncertain

Jimmy Carter talks about his public health efforts to eradicate guinea worm and improve global mental health and women's health. Plus, magazine collector Steven Lomazow brings part of his collection to the Scientific American 170th birthday party

Smith College sports economist Andrew Zimbalist talks about why the Olympics is almost always a big financial hardship for the host city, a subject he treats at length in his book Circus Maximus: The Economic Gamble behind Hosting the Olympics and the World Cup. Recorded at the Bergino Baseball Clubhouse in New York City
 

Stephen Hawking and entrepreneur and former physicist Yuri Milner announce a $100-million, 10-year initiative to look for signs of intelligent life in the cosmos

Stephen Hawking and entrepreneur and former physicist Yuri Milner announce a $100-million, 10-year initiative to look for signs of intelligent life in the cosmos

At 8:52 P.M. Eastern time, July 14, 2015, an all's-well signal from the New Horizons spacecraft finished its 4.5-hour, three-billion-mile trip from near Pluto through the solar system to alert mission control on Earth that it was in working order and had succeeded in gathering data

At just before 7:50 A.M. today, July 14, 2015, the New Horizons spacecraft made its closest approach to Pluto. After a 9.5-year, three-billion-mile voyage, the ship got within about 7,750 miles from the surface

Norman Augustine, former CEO of Lockheed Martin and former undersecretary of the Army talks about the report he co-chaired for the American Academy of Arts & Sciences, "Restoring the Foundation: The Vital Role of Research in Preserving the American Dream"    
 

Ornithologist Eduardo Inigo-Elias, senior research associate with the conservation science program at the Cornell Laboratory of Ornithology, talks about the challenges of studying migratory birds and how improved relations between the U.S. and Cuba will help his field   

Mathematician Eugenia Cheng, tenured in the School of Mathematics and Statistics at the University of Sheffield in the U.K. and currently Scientist in Residence at the School of the Art Institute of Chicago talks about her new book How to Bake Pi: An Edible Exploration of the Mathematics of Mathematics   

Lee Dugatkin, evolutionary biologist and behavioral ecologist at the University of Louisville, talks about his article in the June Scientific American called "The Networked Animal," about how social networks in disparate animals species affect the lives of the entire group and its individual members. His co-author is Matthew Hasenjager, a doctoral candidate in his lab   

Astronomer Alan Smale spends his days at NASA Goddard Space Flight Center exploring celestial objects, but he's also the author of Clash of Eagles, an alternate-history novel in which a Roman Legion invades North America

Scientific American’s Dina Maron talks with Keiji Fukuda, assistant director general for health security at the World Health Organization, about the current Ebola outbreak, the threat of sexual transmission and the hope for a vaccine. They were both at an Institute of Medicine Forum on Microbial Threats held at the Pan American Health Organization in Washington, D.C., concentrating on Ebola in west Africa