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Surf threatens beach houses on Dauphin Island, Alabama, September 4, 2011 during Tropical Storm Lee. AP Photo/Dave Martin

Why are Atlantic and Gulf coast property owners building back bigger after hurricanes?

‘Building back better’ refers to making communities more disaster-proof and resilient after they take a hit. But instead, some US owners are building back bigger homes in vulnerable places.
One of two underwater gliders is deployed from a research ship into Antarctic waters. NOAA

Waiting for an undersea robot in Antarctica to call home

Sending autonomous vehicles to the Southern Ocean can be fraught with anxiety, especially if one of them doesn’t make radio contact when it’s supposed to.
Existing BMIs focus on restoring function for people with mobility or communication issues. UPMC/Pitt Health Sciences

Brain-machine interfaces are getting better and better – and Neuralink’s new brain implant pushes the pace

BMIs like the ones Neuralink is working on are already used in laboratories around the world as assistive technologies. But melding your mind with an AI is probably not happening anytime soon.
A male Olive-backed Euphonia (Euphonia gouldi), photographed in Costa Rica. Andy Morffew

Why do birds sing?

Birds spend a lot of time and energy singing, but they don’t do it the same way in every season of the year. And some can’t sing at all. What’s the purpose of birdsong?
A Syrian family loads their belongings as they evacuate an informal refugee camp in Deir Al-Ahmar, east Lebanon, June 9, 2019. AP/Hussein Malla

Are Syrian refugees a danger to the West?

Will Syrian religious extremists migrate to the West as refugees in need – and then do harm? A team of researchers surveyed Syrian refugees in Lebanon, Jordan and Turkey to find out the answer.