"Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA indicates that natural selection continued to shape hundreds of genes."

"In a quiet stretch of western Massachusetts stands a sycamore so old it was around when the Constitution was signed. It’s awe-inspiring, with branches bigger than the entire trunks of most trees. ... In the eastern United States, that rare sense of awe was once supplied in bulk by the American chestnut."

"Risks from cancer and other diseases could be hidden with little accountability if justices favor big firms, critics warn"

"The Trump administration is considering Houman Hemmati, an ophthalmologist, entrepreneur and frequent Fox News guest, to serve as the nation’s next top regulator of vaccines and treatments for complex diseases, according to three people familiar with the matter who spoke on the condition of anonymity to describe internal conversations."

"The Treasury secretary said it is “difficult to deconstruct” the reasons for global warming, which he described as a belief of the “elite.”"

"The Trump administration is holding up some National Oceanic and Atmospheric Administration (NOAA) grant funding."

"The global wildlife trade is driving the spread of disease from animals to people, according to a new study of thousands of wild mammal species and 40 years of international trade records."

"Evolution works over millennia. Climate change is moving far faster. That mismatch is killing some of the planet’s most vital ecosystems, from California’s towering redwoods to the seagrass meadows along its coast, both of which store vast amounts of carbon and support complex webs of life."