World population is increasing--slowly. But world population is aging--rapidly. Social epidemiologist Lisa Berkman walks us through changes in global population demographics and the challenges that population growth--and aging--pose to public health. Lisa Berkman is a social epidemiologist whose work focuses extensively on social influences on health outcomes.
How can we bring energy to the world's poor? Harvard chemistry professor Dan Nocera, inventor of the artificial leaf, argues that personalized, solar-based energy is the key to global sustainable energy consumption. Dan Nocera is the inventor of the artificial leaf, which was named by Time magazine as the Innovation of the Year for 2011.
Solar geoengineering, or injecting aerosols into the atmosphere, could dramatically halt the effects of climate change. Harvard Professor of Applied Physics David Keith argues that solar geoengineering could be a radically effective way to halt climate change--and deserves serious, systematic research program by the US government.
Imagine a world with ubiquitous, affordable space travel, where getting in a spaceship is no stranger than getting in an airplane. Harvard undergraduate Nina Hooper, an astrophysics student, shows how mining asteroids for platinum could be the way to make space travel cheap and accessible to civilians.
The poet is always in a foreign country. Poet Sarah Howe shares a beautiful, melodic poem about crossing borders to find the China her mother left behind during the Communist Revolution. Sarah Howe is a British poet, academic and editor. Her first book, Loop of Jade, is shortlisted for the Forward Prize for Best First Collection.
Pain and tragedy are universal. In the midst of the rubble of Palestine, photojournalist Eman Mohammed set out to show the pain of Palestine through portraits of loss and survival from all over the world. Crossing borders, decades, and tragedies, Eman shows that no matter where you are, the war is always just a walking distance away.
What are the top three causes of death for Harvard graduates? As it turns out, mental illness, extreme sports, and car accidents while traveling in developing countries. Ziad Obermeyer, an emergency physician, discusses how applying best practices in the emergency room in developing countries can drastically improve health outcomes--for locals and for visitors.
Do nature and human ingenuity have to be in opposition? In this short, whimsical talk, science-fiction writer Charlie Jane Anders shows the power of intertwining science, nature, and magic to paint an unusual vision for the future of the globe. Charlie Jane Anders is the author of the novel All the Birds in the Sky.
We know the world's wealth distribution is unfair, but do we know how unfair it really is? Mike Norton demonstrates people's beliefs all over the world on how wealth should be distributed, and then how it matches up to reality. Michael Norton is the co-author of the book, Happy Money: The Science of Happier Spending.