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

S&P 500 concentration risk is surging—top 10 now 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 ...
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 ...