“Pura vida,” she said in a new social media post, referring to the Costa Rican vibe of wellbeing, positivity, and gratitude. After entering the White House in 2017, Trump built a broad ...

Thousands of species can be found there, including coral reefs, sea turtles, whales, dolphins, sharks and manta rays. In a separate executive order, President Trump indicated more monuments could ...

Abstract: Biomimetic robots have the advantage of propulsion efficiency and maneuverability. Manta ray robots with soft, flexible, and distributed multi-stage pectoral fins have been proposed. Robots ...

If trouble hits, call 911 for police or 128 for medical help. Expats, a bit of Spanish goes far. Things slow down this weekend, so embrace the Pura Vida pace. Tipping’s not expected, but 10% for great ...

Within just two hours, it executed complex movements and operations near the seafloor. "By mimicking the manta ray's fluid silhouette, we've solved buoyancy and stability issues that plague humanoid ...