Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

Johns Hopkins University geneticists and a small army of researchers across the country, including students, are working to catalog the vast and largely unknown soil microbiome of the United States.

PHOENIX — A special team named to find out why 6,554 child-abuse cases went uninvestigated concluded Friday there was a “systemic failure, a lack of accountability and transparency and bad ...