Assorted Links 6

[andrew]

1. Spaced repetition directly from the browser and an example of using it to learn quantum computing

2. How should we be helping the 44% of depressed teens?

3. Aaron Mayer pledges to donate all income above 70k, forever

4. STEM Immigration is Critical to American National Security. Recommended

5. The eternal Geeks, Mops, Sociopaths cycle strikes again, in twitter “in-group”