The Plastic Brain

the median age at which PhD researchers receive their first research grant was 42”

Research funding, or lack thereof, is one of the many reasons I switched to teaching.

As it turns out, teaching has offered me so many other rewards in addition. 

Bridges to Independence: Fostering the Independence of New Investigators in Biomedical Research

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Have a fiddle with your unit circle.

Via proofmathisbeautiful:

Touch Trigonometry!! This sooo awesome!! Major thanks to alexxxanimal for submitting it!

“Touch Trigonometry aims to help math learners of all ages get an intuitive understanding of trigonometry.”

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Anyone know any good piems?

Via scienceisbeauty:

π, an irrational number which gives us a rational beauty.

A curiosity via wikipedia: There are many ways to memorize π, including the use of “piems”, which are poems that represent π in a way such that the length of each word (in letters) represents a digit. Here is an example of a piem, originally devised by Sir James Jeans: How I want a drink, alcoholic of course, after the heavy lectures involving quantum mechanics. Notice how the first word has three letters, the second word has one, the third has four, the fourth has one, the fifth has five, and so on.

Source: Eric Online

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Do you like calculus? No? Read on anyway.

Via ilovecharts:

The function y=|x| is continuous, but not differentiable at x=0, because it makes a 90 degree turn there. Would it be possible to construct a function which iscontinuousbut differentiable nowhere? Bolzano’s function is an example of such a curve. The animation shows how it is created by repeating a certain step, then zooms in to show it is infinitely detailedJaggy on all scales

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Photopic Sky Survey: the Milky Way, as it was meant to be seen

Via Bioephemera

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