SPY Is Now A Tech ETF: Building A Quantitatively Optimized 'Strong Buy' Alternative

S&P 500 concentration risk is surging—the top 10 now make up 41%. See a quant-optimized 15-stock barbell from Strong Buy picks for better diversification.

I put Perplexity and Claude in a head-to-head battle — and the winner shocked me

Can a search-first AI beat the world's best reasoning model? I pitted Perplexity against Claude across 7 real-world ...
Scientific American

How to find pi in randomness all around you

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...
eLife

Butyrate rescues chlorpyrifos-induced social deficits through inhibition of class I histone deacetylases

Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, United States College of Health Solutions, Arizona State University, Phoenix, United States ...