Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Fallen Tree Damage—Who Pays? Your liability for damages that occur when a tree on your property falls on your neighbor’s property is not clear cut. Silver Sneakers 101 Medicare’s popular program, offering free gym membership and health education. Retirement Redefined Around the country, attitudes about retirement are shifting.