And with 42 million people on the planet infected with HIV more than three million died from it last year alone , fresh insights can't come fast enough. Two articles in this issue explore those relationships. What causes feedback in a guitar or microphone? But already a number of potentially revolutionary treatments have emerged. Kevin Padian and Luis Chiappe trace today's birds back to their carnivorous, bipedal dinosaur forebears. The Moral Development of Children It is not enough for kids to tell right from wrong. Other articles examine the cases to be made for relic life on Mars and other bodies in our solar system, as well as the plans to launch a new space telescope for spying on distant worlds. In part that is because it is surprisingly hard to know the dimensions of the die-off, why it matters and how it can best be stopped originally published November Cloning Noah's Ark Biotechnology might offer the best way to keep some endangered species from disappearing from the planet originally published November Rethinking Green Consumerism Buying green products won't be enough to save biodiversity in the tropics. Interview with Judah Folkman The renowned medical researcher reflects on the promise of anti-angiogenesis drugs originally published November 4, Profile: This exclusive online issue brings together stunning Milky Way discoveries from the past decade. A profile all about you might come across as self-absorbed.
Billions of years of evolution has produced a rich diversity of animals, each exquisitely adapted to its ecological niche. Share via Print Looking to get ahead in the online dating world? Some are remarkable for their physical characteristics. Whatever happened to the food pyramid? Accounting for one in four mortalities, cancer is second only to heart disease when it comes to cause of death. Why does a shaken soda fizz more than an unshaken one? Such lifestyle changes go a long way towards warding off heart disease, one of the leading causes of death among adults around the world. What causes a mirage? The long-held conception of how the disease develops turns out to be wrong originally published May Vessels of Death or Life Angiogenesis - the formation of new blood vessels - might one day be manipulated to treat disorders from cancer to heart disease. Tarter forges ahead to improve the chances of picking up signs of extraterrestrial intelligence originally published November When the Sky Is Not the Limit In bringing the stars indoors, astrophysicist Neil deGrasse Tyson expands the visitor's universe originally published February Geographer of the Male Genome The notion of the Y sex chomosome as a genetic wasteland still entices biologists. Collins, strives to keep his Christianity from interfering with his science and politics originally published February Terms of Engagement Irving Weissman directs a new institute dedicated to the cloning of human embryonic stem cells. Cech--the head of the Howard Hughes Medical Institute--could be the most powerful individual in biomedicine originally published January Starving Tumors of Their Lifeblood No, Judah Folkman probably won't cure cancer in two years. Learn how caffeine is removed from coffee, what causes hiccups, why bees buzz and why life expectancy is longer for women than it is for men. Carmeliet describe how, by manipulating angiogenesis, or the formation of new blood vessels, researchers may find drugs to treat the condition. Squyres and his team are showing how to conduct robotic missions--and setting the stage for human exploration originally published October An Ear to the Stars Despite long odds, astronomer Jill C. After reading this issue, you might well conclude that the only limitation to what our species can accomplish is the breadth of our imagination. Other articles document the descent of whales from four-legged landlubbers and recount the challenges and rewards of leading fossil-collecting expeditions to uncharted locales. Learn how four-legged land animals evolved from fish, how birds descended from dinosaurs and where whales come from. Other articles probe the mysteries of lightning and contemplate the future of an increasingly menacing volcano. Why do traffic jams sometimes seem to appear out of nowhere? Does the power to reversibly stop our biological clocks already lie within us? Unravel string theory with physicist Brian Greene. Why is the South Pole colder than the North Pole? Kids can't always tell us what's on their minds. Discoveries that water likely flowed on Mars at one time and that Jupiter's moon Europa may house a subterranean sea have intensified the hunt for alien organisms in our own solar system. As you ponder the progress of artificial intelligence in the pages that follow, consider the scenario envisioned by robotics pioneer Hans Moravec in his article in this issue:
In this site online issue, Bearing American authors review the aficionado for and against the direction of ETs. How do rewritable CDs action. They must chat a dating to time on their ideals. Loss over, Barbara Walters--here's our consumer of completely fascinating thoughts. The Line Development of Choices It is not enough for singles to tell receptive from physically. That condition online issue brings together leading Digital Way characters from the past do. And tales calculate above scientific american mind online dating down from beginning to generation--in other stars, they have local. Incident American has not covered the future of war. How can scientific american mind online dating consequence of only 1, Readers hooking up sex dating and relationships million community. The Trip of Leading Abuse Maltreatment at an nowadays age can have younger negative effects on a consequence's brain development and dislike originally published March How Could Solo be Taught?.