President Donald Trump announced that a minimum tariff of 10 per cent would apply to all imports to the US from 5 April; however, many nations face much higher tariffs. The tariff rate was calculated ...

Fall is known as the season of harvest. It's a time when farmers and gardeners pick their crops. It's when we celebrate Thanksgiving, the equinox, and take time to appreciate what life has given us.

Figure 1. Russian demantoids are well known for their pure colors and remarkable inclusions. Photo by Kevin Schumacher. Russian demantoids (figure 1) are renowned in the gem community for their pure, ...