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For centuries, people thought sap had to flow down a tree's body through a spigot at the bottom. But researchers have discovered that sap can flow upward, too, which allows syrup production from much younger trees, and could even turn maple syrup into a row crop.

College students and recent graduates crammed the top floor of a tech hub in Nairobi for a competition built around the theme "Solutions for the Next Billion Mobile Users." Africa has more than 600 million mobile phone users (approximately 11 percent of the global total) – and the number is growing.

Dr. Nancy Messonnier had served as the agency's top respiratory disease official since 2016. Then-President Donald Trump reportedly threatened to fire her after her comments in February 2020.

The suicide bombing left over 60 people dead and dozens wounded. A lawyer had been gunned down, and his colleagues had gathered at the hospital to remember him, says Fahd Husain of Express News.

Hackers who this week published confidential medical records of top U.S. Olympic athletes are at it again. The World Anti Doping agency confirmed the hackers released data on 25 more athletes.

Dr. Anthony Fauci, the nation's top infectious disease expert, tells CNN that young children should be able to go trick-or-treating outdoors for Halloween this year.

The U.S. defeated Japan 86-69 in group play. It's a record 51st straight win for the top-ranked U.S. dating to the 1992 Games. The Americans are going for their 7th straight Olympic gold medal.

Students began protesting outside the university center nearly two weeks ago, citing moldy dorm rooms and other problems. They say they won't leave until their demands are met.

The Vacancies Act says many temporary government appointees cannot remain in their posts after the 300th day of a president's first year in office.

The new season of Stranger Things is out and has reignited the hit Running Up That Hill by Kate Bush. The song has risen to the top of the streaming charts since being featured in the first episode.