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Comic for May 24, 2019

Dilbert - May 25, 2019 - 12:59am
Categories: Geek

Back in time: See You Yesterday brings time travel to the streets of Flatbush

Ars Technica - 1 hour 44 min ago

Director Stefon Bristol's See You Yesterday is something of an anomaly in the pantheon of time travel movies, straddling multiple genres. With its central tragedy, theme focused on the unintended consequences of new technology, and strong social conscience, it's more Black Mirror than Back to the Future. As such, it fits nicely into a small subgroup of quietly innovative time travel films like 2012's Safety Not Guaranteed.

The premise: two teenage science nerds in the Flatbush neighborhood of Brooklyn build a makeshift time machine to right a tragic wrong. C.J (Eden Duncan-Smith) and her best friend and fellow science whiz Sebastian (Dante Crichlow), nicknamed Bash, have just wrapped their junior year at the Bronx High School of Science. They're putting the finishing touches on a pair of portable time travel devices for an upcoming science fair, and they're naturally ecstatic when they succeed on their next attempt at a Temporal Relocation Test, traveling back one full day.

That light-hearted tone quickly turns dark. In an all-too-familiar scenario, C.J.'s older brother Calvin (the rapper Astro) runs afoul of a trigger-happy NYPD officer, who mistakes Calvin pulling a cell phone out of his pocket for a weapon and shoots him dead. C.J. figures she and Sebastian can use their science project to travel back in time to save Calvin. Who among us wouldn't want to try to reverse such a tragedy? But as you might expect, there are some serious unintended consequences to her plan.

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Hunter-gathering seems to have been easier than farming

Ars Technica - 3 hours 23 min ago

Enlarge / An Agta family relaxing in the afternoon. (credit: Mark Dyble)

For most of our history, humans got hold of food like any other animal: by hunting and foraging, moving around to find the best resources. Settling down in one place to cultivate crops is a comparatively recent development. But once it started around 12,000 years ago, agriculture spread through human cultures across the world, fundamentally changing our societies, genomes, and possibly even languages. In many ways, farming seems to have been terrible news for the people who adopted it, leading to poorer nutrition and greater social inequality—but it also resulted in higher fertility rates and a massive population expansion.

Understanding how and why this technological change was adopted remains a challenge. Studies mostly rely on fossil evidence, but there are also clues in the modern world, as some present-day groups of people are moving away from hunting, fishing, and gathering their food and toward agriculture.

A paper published in Nature Human Behaviour explores how this shift affects the time budgets of hunter-gatherers in the Philippines, finding that women who participate more in agricultural work have less leisure time—around half the leisure time of women who prioritize foraging. The results fall in line with past research that challenges the concept of hunting and foraging as arduous work with scant rewards, and this work contributes to a growing understanding of the social dynamics that go along with a shift to agriculture.

Read 14 remaining paragraphs | Comments


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