A New Nuclear Age in America

What Radioactive Fallout Tells Us about Our Nuclear Future The U.S. has embarked on the largest and most expensive nuclear build-out ever. The U.S. military says it is necessary to replace an aging nuclear arsenal. But critics fear the risks. This video is part of "The New Nuclear Age," a special report on a $1.5-trillion effort to remake the American nuclear arsenal. Watch Now Great Lakes Fish Are Moving North with Climate Change. But Can They Adapt Fast Enough? The first fish came to the Great Lakes after glacial retreat created them thousands of years ago. Now those fish are on the move again. Watch Now   Space Manufacturing is Not Science Fiction A Stanford researcher is growing crystals on the International Space Station and electronics to withstand the extreme environments of Venus. Watch Now     Follow us         Knowledge Awaits! Check out the latest videos from Scientific American! View More     To view this email as a web page, go here. You received this email because you opted-in to receive email from Scientific American. To ensure delivery please add specialoffers@scientificamerican.com to your address book. Unsubscribe    Email Preferences    Privacy Policy    Contact Us