Why Can’t Europeans Travel to America?

In June, the European Union officially recommended its member countries reopen their borders to American tourists after more than a year of tight restrictions. The United Kingdom has also placed the United States on an “amber” list, which means American travelers are allowed in, but must quarantine for 10 days and show proof of a…

Cauliflower and Chaos, Fractals in Every Floret

Monks once hoped to turn lead into gold through alchemy. But consider the cauliflower instead. It takes just two genes to transform the ordinary stems, stalks and flowers of the weedy, tasteless species Brassica oleracea into a formation as marvelous as this fractal, cloudlike vegetable. This is the true alchemy, says Christophe Godin, a senior…

Nordstrom is the First Retailer to Sign A 10-Year Agreement With the 15 Percent Pledge

Courtesy Nordstrom, Connie Zhou In the year since the non-profit 15 Percent Pledge launched in June 2021, urging retailers to commit fifteen percent of their shelf space to products from Black-owned businesses, nearly 30 major sellers—including Macy’s, Old Navy, and Sephora—have publicly taken the pledge. On July 8th, luxury department store Nordstrom became the latest…