US’s climate.gov site, taken down by Trump, relaunched by nonprofit

Climate.us has now restored everything taken down by the government. Over decades, researchers in the US government and programs it sponsored built up a tremendous number of climate resources, from comprehensive analyses to massive datasets to basic explainers meant to inform the public. And people within the government built…

Early land animals skipped the tadpole phase

Current amphibian development may not have been typical of early land vertebrates. For decades, biologists thought that early tetrapods, ancient vertebrates that started conquering the land over 300 million years ago, developed like modern amphibians—beginning their lives as purely aquatic tadpoles and then metamorphosing into terrestrial adults. “A lot…