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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 Sept. 20 citizen “raid” on Area 51, a secretive military installation long fancied to hold alien remains, has drawn worldwide interest. Fer Gregory/Shutterstock.com

Yes, I’m searching for aliens – and no, I won’t be going to Area 51 to look for them

As more than a million people have indicated plans to partake in a citizen 'raid' on the famed Area 51 to 'see them aliens,' a scholar on the search for extraterrestrial life weighs in on the hype.
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.
Washington state has passed a measure to cover college tuition for students from low- and moderate-income families. VDB Photos/Shutterstock.com

Washington state’s big bet on ‘free college’

A new law in Washington state that makes college mostly free for many students is meant to prepare more residents from the state for jobs in the local economy. Whether it will work remains to be seen.
What are the differences between planned assisted childbirth with midwife at home versus delivery with obstetrician at a hospital? M-SUR/Shutterstock.com

Home birth may start babies off with health-promoting microbes

Evidence suggests that microbes play a vital role in health. But what microbes we get depends whether we were born in a hospital versus at home. That could impact our health decades later.
A new Trump ruling will prohibit virtually all Central American migrants from seeking asylum in the United States. AP Photo/Rebecca Blackwell

The Bible says to welcome refugees

Scripture strongly and unequivocally affirms the obligation to treat strangers with dignity and hospitality, says a Christian scholar who turns to the Bible for guidance on Trump's immigration policy.