Guest Thinkers — February 16, 2011

20%

Scott McLeod

A weekly newsletter featuring the biggest ideas from the smartest people

20% time for elementary and secondary students? I like it.

A weekly newsletter featuring the biggest ideas from the smartest people

Collage of geopolitical symbols, featuring a close-up of a man's bald head, China's flag, a globe highlighting Taiwan, and circuit patterns.

The Present

Why the USSR and China fell behind the US in the Chip Cold War

Both nations made missteps, but China still has a chance to make up lost ground.

Person examining a petri dish with tweezers, holding small colored objects, against a dark background.

Health

Are microplastics really destroying our health?

They’re in our brains, hearts, and blood — but what are they doing to us?

Two colorful cells with purple nuclei, green cell edges, and radiating filament structures against a black background.

Health

When muscles work out, they help neurons to grow

The findings suggest that biochemical and physical effects of exercise could help heal nerves.

A black and white image of a bunch of spheres, symbolizing the multiverse concept discussed by scientists.

Starts With A Bang

How logic and reasoning can fail as scientific tools

In logic, ‘reductio ad absurdum’ shows how flawed arguments fall apart. Our absurd Universe, however, often defies our intuitive reasoning.

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Backlash against progress monitoring

The benefits of ongoing progress monitoring of students on essential academic skills (i.e., “power standards“) are well established. But, as Sherman Dorn notes , some school districts are starting to […]