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Scientists sacrifice delicious opossums to fight Florida's invasive pythons

Popular Science

Environment Conservation Land Scientists sacrifice delicious opossums to fight Florida's invasive pythons More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Tracking them during digestion may help curb the snake population. Breakthroughs, discoveries, and DIY tips sent six days a week. Some of Florida's opossums may soon start dying for a noble cause. A few select marsupials fitted with tracking collars may begin to lead scientists to invasive Burmese pythons () slithering through the Everglades.


Tangent: Automatic differentiation using source-code transformation for dynamically typed array programming

Neural Information Processing Systems

The need to efficiently calculate first-and higher-order derivatives of increasingly complex models expressed in Python has stressed or exceeded the capabilities of available tools. In this work, we explore techniques from the field of automatic differentiation (AD) that can give researchers expressive power, performance and strong usability. These include source-code transformation (SCT), flexible gradient surgery, efficient in-place array operations, and higher-order derivatives. We implement and demonstrate these ideas in the Tangent software library for Python, the first AD framework for a dynamic language that uses SCT.


Longest snake ever measured is over 23.5 feet long

Popular Science

Environment Animals Wildlife Endangered Species Longest snake ever measured is over 23.5 feet long Nicknamed the'Baroness,' this python is longer than two great white sharks. The Baroness may be as much as 10 percent longer than initially measured. Breakthroughs, discoveries, and DIY tips sent six days a week. A snake in southwest Indonesia has shattered the Guinness World Record for the longest serpent ever spotted in the wild. Nicknamed "Ibu Baron" (the Baroness), the giant female reticulated python () discovered in late 2025 measures 23-feet-and-8-inches from head to tail--about the same length as a regulation soccer goal.