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End summer with a subscription to Scientific American [SciAm Logo]( As the days get shorter and the nights get colder, there’s no better time to learn something new and dive into the fascinating world of science. Explore these top summer stories curated by the editors of Scientific American. For a limited time only, enjoy a [40% discount on our digital and unlimited subscriptions](. Hurry, offer valid only through September 4, 2024. [Subscribe]( Top Editorial Summer Reads [Astronomers Are Snapping Baby Pictures of Planets by the Dozen ]( [Astronomers Are Snapping Baby Pictures of Planets by the Dozen]( Snapshots of a plethora of planet-forming disks offer more than just eye candy—they also reveal some fundamental aspects of how worlds are born. [We Know the Origins of the Asteroid That Killed the Dinosaurs]( [We Know the Origins of the Asteroid That Killed the Dinosaurs]( New evidence points to a carbonaceous asteroid from the outer solar system as the culprit for Earth’s most recent mass extinction. [People Who Are Fat and Healthy May Hold Keys to Understanding Obesity]( [People Who Are Fat and Healthy May Hold Keys to Understanding Obesity]( “Heavy and healthy” can be a rare or common condition. But either way it may signal that some excess weight is just fine. [Teens’ Mental Health May Improve When They Help Others]( [Teens’ Mental Health May Improve When They Help Others]( Volunteering in community programs can reduce youth depression and anxiety, researchers are beginning to learn. [Scientific American September Issue]( [End of Summer Savings]( Save 40% on a digital or unlimited subscription to Scientific American. [Subscribe]( To view this email as a web page, [go](. You received this email because you opted-in to receive email from Scientific American or you have registered for an account with Scientific American. To ensure delivery please add specialoffers[@scientificamerican.com](mailto:specialoffers@scientificamerican.com?subject=&body=) to your address book. [Unsubscribe]( [Email Preferences]( | [Privacy Policy]( | [Contact Us](