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What I have learned is that, despite the obvious difference in weight between human brains (tipping the scale at about three pounds) and chickadee brains (similar in weight to a raisin), there are commonalities in structure and function between the two species.

What began as a hike to enjoy an early autumn afternoon transformed into a mission to sow and grow a stand of Pinus ponderosa from seed. I had become enthralled by this possibility as I traversed miles of trails shaded by canopies of pine in Missoula’s Rattlesnake Valley.

Mountain goats, which aren’t actually goats but are considered “goat-antelopes” and whose closest relatives live in the Himalayas, prefer to live above the treeline and in high alpine meadows, beyond the usual range of predators like mountain lions. Beyond the range of many humans, too. They are one of the least-studied large mammals in North America.

Usually, pronghorn will dash away when they see a truck coming. However, at times they race toward me, accelerating, seemingly intent on crossing the road ahead of me.

Clueless as to what this was, I relied on a phone app for identification. Curlycup gumweed? Who came up with that creative name?

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to covid-19? According to the experts, that person is most likely still carrying a viral load high enough to infect others.

The Red Sox are one win away from their ninth World Series title after defeating the Los Angeles Dodgers 9-6 on their home turf Saturday night.

New arrivals in the top 10 include James and Charlotte, the Social Security Administration says.

Investors paused to catch their breath Thursday after the stock market suffered its worst drop of the year the day before. Consumer spending is still strong, despite signs of a looming recession.

"I feel happy to have a job that is important," says a clerk in Portland, Ore. "But safe? No way!" A graphic artist relays the worries, pleas and pride from key workers on the pandemic's front line.