Only a handful of researchers have studied why an American football flies in such a unique trajectory, rifling through the air with remarkable precision, but also swerving, wobbling, and even tumbling ...

Follow this section to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Personalized Content Follow this tag to personalize your feed and get ...

So you’re at the park, and you want to impress the sunbathing supermodels lying there, watching with gaping mouths as you prepare to launch your football into the air. But your spiral—it sucks. A ...

Throwing the perfect spiral with a football may be a matter of physics and influenced by prevailing wind currents as well as large, fast pass rushers. But it begins, two University of Delaware ...