Immigrants to the U.S. lose their native mix of gut microbes almost immediately after arriving in the U.S.—which researchers can't quite explain. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

A few very brief reports about international science and technology from Alaska to Indonesia, including one on offshore dairy farming from the Netherlands. -- Read more on ScientificAmerican.com

Adult humans laugh primarily on the exhale, but human babies laugh on the inhale and the exhale—as do chimps. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Researchers recorded piranha "honks" and catfish "screeches" in the Peruvian Amazon, which might illuminate fish activity in murky jungle waters. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Anthropologist Jennifer Raff argues that race is culturally created, but has biological consequences. -- Read more on ScientificAmerican.com

Listening to the sounds panda pairs make when they're introduced could lead to better breeding success. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

The "low hanging fruit" of genome-related health care will be knowing which drugs are likely to treat you best, says science journalist Carl Zimmer. -- Read more on ScientificAmerican.com

A tiny fly, related to biting no-see-ums, pollinates cacao trees and enables our chocolate cravings. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Bottlenose dolphins simplify and raise the pitch of their whistles to be heard above underwater shipping noise. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Octopuses react to MDMA much like humans do. And not surprisingly, given their anatomy, the animals are excellent huggers. Annie Sneed reports. -- Read more on ScientificAmerican.com

A few very brief reports about science and technology from around the globe, including one from Mongolia on horse dentistry. -- Read more on ScientificAmerican.com

Researchers taught two dozen wild sparrows new songs, by playing them the recordings of sparrows that live thousands of miles away. Jason G. Goldman reports. -- Read more on ScientificAmerican.com

By caring for their sick and injured, Neandertals were able to expand into more dangerous environments and pursue more deadly prey. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

A study correlating personality traits with financial data found that agreeable people had lower savings, higher debt and higher bankruptcy rates. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Bees suddenly fell silent when the sun disappeared during last year's solar eclipse—perhaps because they were tricked into night mode. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

English as-a-first-language Canadian study subjects were less trusting of statements in English spoken with a foreign accent, unless the speaker sounded confident about their assertion. -- Read more on ScientificAmerican.com

Baby giraffes inherit aspects of their mothers' patterning—which could give them a survival advantage if good camouflage runs in the family. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

William Nordhaus shared the 2018 Nobel Memorial Prize in Economic Sciences, "for integrating climate change into long-run macroeconomic analysis,” with Paul Romer, "for integrating... -- Read more on ScientificAmerican.com

Twice a year, thousands of pronghorn antelope and mule deer migrate through Wyoming, and newly built highway crossings are sparing the lives of animals—and motorists. Jason G. Goldman... -- Read more on ScientificAmerican.com

The bittering agents called hops have enzymes that chew up starch and unleash more fermentable sugar—which can boost alcohol and CO2 in the finished brew. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Frances H. Arnold, George P. Smith and Gregory P. Winter share the 2018 chemistry Nobel for developing evolutionary-based techniques that lead to the creation of new chemical entities with useful... -- Read more on ScientificAmerican.com

Arthur Ashkin, Gérard Mourou and Donna Strickland share the 2018 physics Nobel for their work with lasers that have led to numerous practical applications, such as eye surgery. -- Read more on ScientificAmerican.com

James P. Allison and Tasuku Honjo share the Nobel Prize for their work on harnessing the cancer patient's own immune system to destroy tumors. -- Read more on ScientificAmerican.com

Christine Blasey Ford's professional expertise came into play during her testimony regarding the Supreme Court nomination. -- Read more on ScientificAmerican.com

An aerial laser scan of more than 800 square miles of Guatemalan jungle revealed Maya buildings, canals, roads and bridges. Christopher Intagliata reports. -- Read more on ScientificAmerican.comBy Christopher Intagliata.