Invasive Rats May Have Contributed to Deforestation of Rapa Nui

2025 年 11 月 11 日 environment, science

Phys. org reports that Polynesian rats (Rattus exulans) may have played a larger role in the deforestation of Rapa Nui than previously thought. Some 15 million Rapa Nui palm trees (Paschalococos disperta) are estimated to have covered Easter Island before the arrival of Polynesians around A. D. 1200. When Europeans arrived in 1722, they observed just a few isolated trees, grasses, and shrubs. Terry Hunt of the University of Arizona and Carl Lipo of the University of Birmingham developed an ecological model of the island and found that a single pair of rats, feasting on nutritious palm nuts, could grow into a.

A Mundane Universe and the Rarity of Advanced Civilizations

2025 年 10 月 30 日 economy, environment, politics, science, technology

How could the principle of “radical mundanity” proposed by the Fermi paradox help explain why humans haven’t found evidence of extraterrestrial technological civilizations (ETCs)? This is what a recently submitted study hopes to address as a lone researcher investigated the prospect for finding ETCs based on this principle. This study has the potential to help scientists and the public better understand why we haven’t identified intelligent life beyond Earth and how we might narrow the search for it.

Focused research organisations: what are they, and how do you set them up?

2025 年 10 月 27 日 business, government, science, technology

FROs hope to create new scientific tools like AlphaFold, which has automated the prediction of protein structures. Photo credits: Burgstedt / BigStock Over the past few years, a new type of institution has entered the scientific scene: focused research organisations (FROs), which try to build new scientific software, databases and other tools in a rapid, five-year timeframe. So far,.

RADiCAIT’s Revolutionary Breakthrough In Diagnostic Imaging At Bitcoin World Disrupt 2025

2025 年 10 月 27 日 science, technology

The post RADiCAIT’s Revolutionary Breakthrough In Diagnostic Imaging At Bitcoin World Disrupt 2025 appeared com. AI In Healthcare: RADiCAIT’s Revolutionary Breakthrough In Diagnostic Imaging At Bitcoin World Disrupt 2025 Skip to content Home AI News AI in Healthcare: RADiCAIT’s Revolutionary Breakthrough in Diagnostic Imaging at Bitcoin World Disrupt 2025 Source:.