https://ift.tt/3upRk9U In the past 11 years alone, Haitians have suffered natural disasters, rising gang violence, outbreaks of cholera and COVID-19, and political instability, including the recent assassination of President Jovenel Moïse . The crises left many in the hemisphere’s poorest nation feeling they had no option but to leave—despite the difficulties they face in fleeing to other countries. In late September, Americans were confronted with the reality of those difficulties too. An estimated 15,000 people arrived in Del Rio, Texas, during the month, below a bridge connecting the city to Mexico’s Ciudad Acuña. A majority were Haitian nationals, migrants and asylum seekers who ended up living in tents or under tarps, in conditions similar to those in other camps that have formed along the U.S.-Mexico border in recent years. [time-brightcove not-tgx=”true”] Read more: Caught Between U.S. Policies and Instability at Home, Haitian Migrants in Tijuana Are in a State of L
Scientists have offered new insights into the origin of diamonds in a group of stony meteorites called ureilites. These diamonds most likely formed by rapid shock transformation from graphite during one or more major impacts into the ureilite parent asteroid in the early solar system. Previously, researchers have proposed that diamonds in ureilites formed like those on Earth -- deep in the mantle of the planet, where the high pressures needed to form a diamond, are created by the weight of the overlying rock.
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