Florida's Python Elimination Program pays certified hunters to remove the invasive snakes from the Everglades. Burmese pythons have caused a severe decline in native small mammal populations in South ...

It has been argued that climate change can cause abrupt transitions in parts of the Earth system, so-called tipping elements. In this issue, we feature two articles, by Liu et al. and Wunderling et al ...

Background The anterior cruciate ligament (ACL) injury rate for girls/women has not changed in over 20 years, and they remain 3–6 times more likely to experience injury compared with boys/men. To date ...

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