Butterflies, snakes and flowers: In rugged Baja canyons, San Diego scientists unlock an undersung region’s biodiversity

For many, their latest expedition in Baja Sur marks a return, more than a decade after their investigation began.
The Express Tribune

The Khyber pass railway — A century on

In 1925, the Khyber Pass Railway was inaugurated as a bold imperial experiment at the edge of empire.

Florida citrus in crisis as invasive predator spreads

The long-struggling Florida citrus industry now faces an invasive species crisis, but researchers have a plan to fight back.
Morning Overview on MSN

Panama forest trees are growing longer roots to survive drought

In Panama’s tropical forests, trees are quietly rewriting the rules of survival. Faced with longer, harsher dry spells, they ...