All Stories by Meghie Rodrigues
- Environment
Fires in the Amazon forest may melt sea ice in Antarctica
Satellite data reveal a link between the amount of black carbon in the atmosphere and rates of Antarctic sea ice loss in recent years.
- Paleontology
Giant camel-like creatures lived thousands of years longer than once thought
Fossilized teeth from two ancient megafauna suggest they roamed Brazil 3,500 years ago. The find “opens the door to rewrite South American history.”
- Archaeology
A huge, ancient Maya city has been found in southern Mexico
Lasers revealed that the city spanned roughly the same area as Beijing and may have been among the most densely populated in the region.
- Animals
This bird hasn’t been seen in 38 years. Its song may help track it down
Using bioacoustics, South American scientists are eavesdropping on a forest in hopes of hearing the song of the long-missing purple-winged ground dove.
- Animals
In noisy environs, pied tamarins are using smell more often to communicate
Groups of the primate, native to Brazil, complement vocalizations with scent-marking behavior to alert other tamarins to dangers in their urban home.
- Anthropology
Lasers reveal construction inspired by ancient Mexican pyramids in Maya ruins
Archaeologists have uncovered structures in Guatemala that are remarkably similar to La Ciudadela and its temple at the ancient city of Teotihuacan.
- Health & Medicine
After vaccinating 95 percent of adults, a Brazilian city is returning to normal
An experiment to vaccinate all adults against COVID-19 in Serrana shows that widespread immunization drastically cuts hospitalizations and deaths.
- Health & Medicine
How a small city in Brazil may reveal how fast vaccines can curb COVID-19
Almost all adults in Serrana, Brazil, got COVID-19 shots. That may help answer questions about how well vaccines will work to end the pandemic.
