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A JBL Clip 4 speaker is clipped onto a backpack

All across the country, Memorial Day Weekend kicks off the season of summertime fun. Whether you like to fill yours with parties with family and friends, camping trips to your favorite sites, or hitting the trails hiking or biking, having the right portable speaker is essential.


Today's best portable speaker deals as of May 20:



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A black and white portrait of Albert Einstein on the left, and James Webb's deep field image on the right.
Albert Einstein's (left) general theory of relativity has been proven by countless studies of the nearby universe. But in deep space (right) it appears to glitch.
  • For over a century, Einstein's general theory of relativity has been key to understanding gravity. 
  • But new research suggests this theory "glitches" in the farthest reaches of space. 
  • That doesn't mean



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New York City skyline.
New York has the lowest percentage of households in the middle class.
  • Business Insider analyzed what qualified as middle class across the US.
  • Utah, Idaho, and Alaska had the highest share of residents in the middle class.
  • Meanwhile, New York, Massachusetts, and Montana had the highest percentages of lower-class residents.

These three charts show how many Americans in each state


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Donald Trump
  • Donald Trump's defense team is expected to call an ex-FEC commissioner as a witness in his hush-money trial.
  • Bradley Smith, a Republican election-law expert, is being paid $1,200 an hour. 
  • Smith was previously barred from testifying in the trial of fallen crypto mogul Sam Bankman-Fried.

As Donald Trump's criminal hush-money trial nears the end, the former president's defense team plans to


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Maria Zakharova
Spokeswoman of the Russian Foreign Ministry Maria Zakharova
  • Russia claims Ukraine fired Western-supplied missiles into its region of Belgorod.
  • The White House said the claim is "Russian propaganda."
  • Some Western countries are signaling they may be more open to their weapons being used on Russian soil.

Russia has claimed that Ukraine used French- and US-supplied missiles in an



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Iranian President Ebrahim Raisi attends a press conference concluding his appearance at the United Nations General Assembly, in New York City, U.S., September 20, 2023.
Iranian President Ebrahim Raisi has died in a helicopter crash.
  • Iranian President Ebrahim Raisi is dead after a helicopter crash in northwestern Iran.
  • Iran's foreign minister and a provincial governor also died in the crash, Iranian media reported.
  • Iran's vice president, Mohammad Mokhber, will most likely take over before a new president is elected.

Iranian President Ebrahim



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A person in scrubs and a robotic machine in an operating room.
Neuralink uses a robot to insert the device.
  • Neuralink has gotten the FDA go-ahead for a second implant, The Wall Street Journal reports.
  • This time, it's implanting the wires a few millimeters deeper to prevent retraction, the report says.
  • Neuralink's first patient lost some function in his device but said it had since greatly improved.

Neuralink has apparently gotten the go-ahead