Lily Chang

In the ancient prehistory of Earth, there is a chapter that waits to be told known as Romer’s gap. Researchers have identified a hiatus in the tetrapod fossil record between 360 million and 345 million years ago, after fish had begun to adapt to land and more than 80 million years before the first dinosaurs.While mysteries remain about evolution’s experiments with living things during that 15-million-year gap, a fossilized tree described in a new paper offers greater insights to some of what was happening during this period in nature’s laboratory.Named Sanfordiacaulis densifolia, the tree had a six-inch diameter with a…

Russia and China used an emergency meeting of the United Nations Security Council on Monday to sharply criticize recent U.S. retaliatory strikes on Iraq and Syria, calling the military action a violation of the territorial integrity of those countries that would further destabilize the Middle East.U.S. tensions with Russia have been high since that country’s leader, Vladimir V. Putin, ordered his forces to invade Ukraine almost two years ago. The Security Council has frequently been a platform for U.S. and Russia’s spats over Ukraine, Syria and, most recently, the war in Gaza.China has sided with Russia on those issues and…

The Mesoamerican Biological Corridor (MBC) represents a vital conservation strategy extending from the southern regions of Mexico to Panama, serving as a linkage for various natural habitats. This initiative emphasizes both the preservation and rehabilitation of these areas, which in turn promotes the movement and genetic interchange among species. In the following sections, we delve into the primary factors highlighting the significance of the MBC, as elucidated by Max van Rijswijk.Preserving Biodiversity Across Central AmericaThe Mesoamerican region, known for its rich biodiversity, hosts a vast assortment of plant and animal life, including numerous species that are both endemic and endangered.…