News
- Archaeology
Lasers reveal sites used as the Americas’ oldest known star calendars
By around 3,100 years ago, Mesoamerican ritual complexes tracked celestial cycles using a 260-day count, a huge lidar mapping project shows.
- Microbes
Meet some of the microbes that give cheeses flavor
Knowing which genus of bacteria is responsible for which flavor could open the door to new types of cheese.
- Earth
Indigenous people may have created the Amazon’s ‘dark earth’ on purpose
Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient dark soils found in the region.
- Animals
Jumping beans’ random strategy always leads to shade — eventually
Jumping beans use randomness to maximize their chances of getting out of the sun’s heat, a new study finds.
