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Bill Gates and Warren Buffett were two of the year’s biggest three donors. AP Photo/Nati Harnik

Donations by top 50 US donors dropped sharply to $16 billion in 2022 – Bill Gates, Elon Musk, Mike Bloomberg and Warren Buffett lead the list of biggest givers

As giving receded to pre-pandemic levels, most of these gifts were designated for foundations, higher education, hospitals and medical research.
The House GOP under new leader Kevin McCarthy, center in front of flag, adopted rules that included changes to operations of the office that conducts investigations of members. Photo by Chip Somodevilla/Getty Images

Scandals can end congressional careers – which is why the Office of Congressional Ethics regularly faces attempts to rein it in

House lawmakers created an independent office to conduct ethics investigations. But new changes by the GOP to rules governing the office were just the latest attempt to defang it.
Supporters of one of several tribal sovereignty bills march in front of the governor’s mansion on April 11, 2022, in Augusta, Maine. AP Photo/David Sharp

Tribes in Maine left out of Native American resurgence by 40-year-old federal law denying their self-determination

After 40 years living under a federal law that denied Maine’s Wabanaki Nations the ability to govern themselves, the tribes have been left out of the prosperity other tribes have attained.
There are many pieces of evidence to help explain why the Earth spins, and some major mysteries. Jose Luis Pelaez Inc/DigitalVision via Getty Images

Why does the Earth spin?

An astronomer takes us on a tour of the universe to learn about the birth of stars and planets and how they get their spin.
Prompts like this sign in Coalinga, California, may get people to use less water – but paying them could be more effective. Matt McClain/The Washington Post via Getty Images

A new strategy for western states to adapt to long-term drought: Customized water pricing

Even after January’s storms, California faces a water-scarce future. An economist and an engineer propose a way to test higher water prices as a conservation strategy without hurting low-income users.
Snow on cattle drive sculptures in Dallas after a winter storm, Feb. 3, 2022. Emil Lippe/Getty Images

Two years after its historic deep freeze, Texas is increasingly vulnerable to cold snaps – and there are more solutions than just building power plants

Texas wasn’t prepared to keep the lights on during Winter Storm Uri, and it won’t be ready for future cold weather unless it starts thinking about energy demand as well as supply.
Relentless coughing after a viral infection can be frustrating and worrisome, but in most cases, coughs resolve over time. The Good Brigade/DigitalVision via Getty Images

A nagging cough can hang on for weeks or months following a respiratory illness – and there is precious little you can do about it

Some coughs can last for weeks or even months following an upper respiratory infection. The good news – albeit not very satisfying – is that most eventually go away on their own.
Stochasticity is everywhere – and finding the order in disorder can unlock new ways to understand biology. Erlon Silva - TRI Digital/Moment via Getty Images

Cancer evolution is mathematical – how random processes and epigenetics can explain why tumor cells shape-shift, metastasize and resist treatments

An epigenetic model of cancer that incorporates the concept of stochasticity could also explain why cancer risk increases with age and how biological development can be reversible.
Figuring out what to do with the ‘Song of Songs’ has preoccupied people reading the Bible for centuries. 'Song of Songs' illustrated by Florence Kingsford/Southern Methodist University/Wikimedia Commons

Why is a love poem full of sex in the Bible? Readers have been struggling with the Song of Songs for 2,000 years

The famous biblical book alludes to God only once. Historically, though, most interpreters have argued the poem’s about love between the divine and his people.