Share this on WhatsApp We are at a critical juncture in the fight to tackle the climate emergency. The world has just a few years to drastically rein in carbon emissions enough to avoid the worst impacts of warming, according to the concluding piece of the Sixth Assessment Report of the Intergovernmental Panel on Climate […]
Share this on WhatsApp Originally published in January 1967 Credit: Scientific American Advertisement “Petroleum products are being used in an ingenious effort to upgrade submarginal land. In Libya the Esso Research and Engineering Company undertook in 1961 to stabilize 125 acres of shifting sand dunes by spraying them with a low-grade oil. Such dunes usually […]
Share this on WhatsApp Reinfections with SARS-CoV-2, the virus that causes the disease, are on the rise, dashing hopes that vaccination or prior disease confers long-lasting immunity to infection. As more people get reinfected, they may be wondering: Do repeat infections lead to more severe COVID symptoms? Evidence is still limited, but the available data […]