/sci/ - Science & Math

Hey /sci/ can you recommend any scientists or studies that show if there are real differences between races?

I just found this and got interested:

Dr Kanazawa, a lecturer at the London School of Economics, has published findings based on a survey of white, Asian, black and native American men and women who were asked to rate each other’s attractiveness based on photographs.

Black women scored lowest, Asian highest.


http://www.dailymail.co.uk/news/article-1388313/LSE-psychologist-Satoshi-Kanazawa-claims-black-women-attractive.html

Brain Hacks?

What are some natty and safe chemica ways to improve cognitive powers, concentration, arousal and memory?

I've tried ritalin and provigil and they are amazing but I don't want to use them long-term. Are any nootropics actually effective? I've tried some racetams and they suck compared to prov