Lennon or McCartney?: We May Finally Have The Answer

In interviews, John Lennon and Paul McCartney have explained that, though they were listed as co-writers for Beatles tunes, one or the other usually wrote most of a song. McCartney wrote most or all of “Yesterday,” “Martha My Dear” and “Lady Madonna,” for example. Lennon wrote most or all of “Revolution,” “Help” and “Sexy Sadie.” Both had songwriting tendencies that enabled fans to usually figure out the primary writer. McCartney was more melodic and covered a broader range of topics in

Astronomers Use X-rays To Trace The Shape Of Black Hole

Discovered in the early 1960s by rocket-borne X-ray detectors, Cygnus X-1 is a binary system containing a supergiant star and a stellar-mass black hole. That black hole is both accreting matter — pulling gas off its companion and funneling it into a swirling disk — and shooting out powerful jets. The processes of accretion and jet formation give off X-rays we can detect here on Earth, but the question is, what exactly is going on? Formerly, astronomers had developed two possible geometri

What Would You Like to Hear on The Upgrade? 

We’re all about self-improvement on The Upgrade, whether we’re learning how to embrace boredom, how to have a better sex life, or how to be more resilient. So it’s only sensible that we’d take a step back and look at how to improve the podcast itself. That’s right: we’re upgrading The Upgrade.

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No Seriously, Elon. You Can’t Just Nuke Mars (We Asked)

On Monday, a study published in Nature Astronomy took an exhaustive look at what it would take to terraform the Red Planet and fulfill generations of sci-fi dreams. In it, leading Mars experts tallied the planet’s stores of carbon dioxide, a powerful greenhouse gas, and gauged the likelihood of releasing all that CO2 to create a stable atmosphere — one thick enough to have liquid water on the surface. Their disappointing conclusion: You can’t terraform the place with any present or nea

Track Your Online Spending at the Sites Where You Shop

Impulse buying is a thing, and we’re all guilty of it from time to time. Sometimes, if you’re feeling a little down, it feels good to place an order for that little thing you’ve been meaning to buy, but never quite got around to picking up. Or maybe you see a deal for something you’ve been eyeing and figure, “Eh,…

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This Ginger Dressing Tastes Exactly Like it Came From a Japanese Restaurant

I am obsessed with ordering side salads at sushi restaurants. Not because I feel the need to keep my body running with leafy greens—because I love that damn ginger dressing. I’ve tried to make it at home before, never quite getting it right, until I stumbled on the secret while trying to make a dipping sauce. The key,…

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Your Anxiety Could Get Passed On To Future Generations

You have your mother’s eyes. You have your father’s nose. But might you also have Grandpa Joe’s high anxiety? That’s a possibility, according to a study of rhesus monkeys published July 30 in the Journal of Neuroscience. In recent years, researchers have explored the heritability of personality, including outliers like altruism and bashfulness. This latest study in monkeys, led by scientists at the University of Wisconsin-Madison, suggests anxiety might also be heritable. The work could

As Subway Commuters Mingle, Their Microbes Do Too

Microbes are all around us and in us and especially on us. Our skin can be both a barrier between our bodies and the microbes in our environment and a way in. Once microbes find their way onto our hands, they’re a step closer to getting inside us through our eyes, mouths, and noses. Don’t despair. A diverse ecosystem of bacteria calls our skin and bodies home without causing us any harm at all. But some microbes do spread disease, so researchers are interested in better understanding how

The Easiest Way to Load a Broken Webpage

Say a webpage isn’t loading right. Maybe it’s collapsed from too much traffic after going viral on Reddit. Maybe it’s blocked in your country thanks to a law like GDPR. Maybe it was recently deleted. Usually Google has a saved copy of that page. And the quickest way to get that saved copy is to type cache: in the…

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Control Your External Display’s Settings From Your MacBook

Mac: Your Mac’s Night Shift and True Tone modes are great and all, but they can be fussy at times, and they might not work (or work very well) with an externally connected display. Separately, it’s also annoying to have to tap buttons and fumble through on-screen displays just to adjust your monitor’s brightness and…

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