Guest Thinkers — February 16, 2011

Heavy textbooks

Scott McLeod

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Infographic illustrating three steps to measure the Hubble Constant, showing Cepheid variable stars, supernovae, and galaxies at increasing distances with redshifted light—highlighting how these methods reveal that the hubble tension is real.

Starts With A Bang

Ask Ethan: Is the Hubble tension a real problem?

Is the Universe’s expansion rate 67 km/s/Mpc, 73 km/s/Mpc, or somewhere in between? The Hubble tension is real and not so easy to resolve.

Book cover of "The Gift of Not Belonging" by Rami Kaminski, MD, featuring five birds on a branch and the subtitle “How outsiders and otroverts thrive in a world of joiners.”.

Big Think Books

“Otroverts” and why nonconformists often see what others can’t

In “The Gift of Not Belonging,” Rami Kaminski explains why group consensus may hinder the original thinkers who help advance society.

A composite image showing a galaxy with red circles marking stars on the left and multicolored expanding rings with Earth on the right, all set against a grid background, illustrating concepts like Hubble tension studied by Wendy Freedman.

Starts With A Bang

Is the Hubble tension real? Exclusive interview with Wendy Freedman

Different methods of measuring the Universe’s expansion rate yield high-precision, incompatible answers. But is the problem robustly real?

A flowchart with a large question mark at the top leads to boxes containing photos, abstract patterns, and arrows connecting each step on a textured green background.

Smart Skills

When to quit: A simple framework for life’s toughest decisions

Annie Duke, a poker champion turned decision scientist, talks with Big Think about how to choose well under uncertainty.

A person is being recorded on video by a camera mounted on a tripod, with the display highlighting visual literacy as the subject appears in focus and the background is artfully blurred.

Business

6 ways for leaders to hone their “visual literacy”

Leaders may not realize it — they’re not just being watched, they’re being interpreted, filtered, and judged, frame by frame.

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