From Physics World, Leonard Susskind on Darwin's legacy; the idea that quantum mechanics can explain many fundamental aspects of life is resurging, as Paul Davies reveals; a look at how physics can inspire biology; and an article on applying the tools of physics to fundamental questions in biology. A review of Jerry Coyne's Why Evolution is True. A review of Life Ascending: The Ten Great Inventions of Evolution by Nick Lane. A review of Robert J. Richard’s The Tragic Sense of Life: Ernst Haeckel and the Struggle Over Evolutionary Thought. Anatomy of a controversy: Ida, a fossil celebrity: What's so special about the squashed-flat remains of an adapiform from the Messel pit? A review of Not a Chimp: The Hunt to Find the Genes That Make Us Human by Jeremy Taylor (and more and more). A review of Who Owns You? The Corporate Gold Rush to Patent Your Genes by David Koepsell. What can DNA tell us? Place your bets now. A review of The Selfish Genius: How Richard Dawkins Rewrote Darwin’s Legacy by Fern Elsdon-Baker (and more and more). A grand bargain over evolution: Robert Wright on how both believers and atheists can find common ground on natural selection. The structure of scientific evolutions: William Saletan on evolution's place in a created universe.

A review of Philosophy of Love: A Partial Summing-Up by Irving Singer. Love, Virtually: What is the real attraction of falling in love online? Love and logic: How Craigslist's Missed Connections appeals to our best and worst selves. The community of men who study picking up women — let’s call them “players” — are unified by a belief that dating is a “game” and that utility should guide one’s approach to it. A review of Chastened: No More Sex in the City by Hephzibah Anderson. Marital bliss: It may not be an exact science, but when it comes to finding love, some academics have found they need not look beyond the ivory tower. A review of Will Marry for Sex, Food, and Laundry by Simon Oaks. A review of A Vindication of Love: Reclaiming Romance for the Twenty-First Century by Cristina Nehring (and more and more). Is the latest rage over "emotional infidelity” a genuine concern for those in a committed relationship, or is it just the latest trumped-up, talk show filling, anxiety-provoking non-issue? Who's to blame for marital collapse: husband, wife, other woman? Will polyamory be the next sexual revolution? A review of Sex in Crisis: The New Sexual Revolution and the Future of American Politics by Dagmar Herzog. Is it proper, or even legal, to keep intimacy off-limits in nursing homes?

Logos journal goes behind the 2009 upheaval in Iran, and Danny Postel interviews Iranian political scientist Hossein Bashiriyeh on counter-revolution and revolt. From Cato Unbound, Jorge Castaneda on a U.S. war with Mexican consequences. Paul Krugman, America’s top liberal pundit, is at loggerheads with a British don, Niall Ferguson over inflation and how to save the world economy. The hardest slogan to sell in politics is "Things could have been a whole lot worse"; no wonder President Obama is having trouble defending his stimulus plan — but if governments around the world, including our own, had not acted aggressively, a very bad economic situation would have become cataclysmic. Six months into Obama's presidency, is it already over? Funny How: Barack Obama’s sense of humor gets him into trouble — but it may also keep him sane. James Surowiecki on health care and public opinion: Just because you can’t change human nature doesn’t mean you can’t change health care. The New Republic welcomes the death of bipartisanship — because the GOP is welcoming the fringe on board. Rally 'round the "True Constitution": Convinced that the 10th Amendment of the Constitution prohibits spending programs and regulations? Conservatives have a movement for you.

Daniel Ellsberg on Building a Better Bomb: Reflections on the atomic, hydrogen, and neutron bombs. Nick Poppy reviews A Nuclear Family Vacation: Travels in the World of Atomic Weaponry by Sharon Weinberger and Nathan Hodge. An interview with Barbara Moran, author of The Day We Lost the H-Bomb: Cold War, Hot Nukes, and the Worst Nuclear Weapons Disaster in History. Collective ignorance meant that military personnel watched the early atomic tests with no protection. One of the great questions of the modern world is: Why has nuclear war not occurred since 1945? Playing with a full deck: Lessons about nuclear deterrence from the poker table. On nuclear proliferation, Immanuel Wallerstein has a fantasy. An interview with James Schlesinger: We don't want a nuclear-free world. On nuclear issues, conservatives are still stuck in the cold war. The hawkish case for nuclear disarmament: The weapons have done little to guarantee our security and have blunted the power of our conventional forces. WPR examines The Road to Zero. Mary Kaldor on dismantling the global nuclear infrastructure. From The Faster Times, the first loose nukes movie was also the first nuclear suitcase movie; and Christian countries have their own nuclear weapons, as do Muslims, Jews and Hindus — isn’t it time Buddhism obtained its own bomb?