5,523 results
5,523 results for: Forests
- 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.
- Archaeology
Humans moved into African rainforests at least 150,000 years ago
This oldest known evidence of people living in tropical forests supports an idea that human evolution occurred across Africa.
- Archaeology
Neandertals mastered fire-making tools 400,000 years ago
Archaeologists found flint, iron pyrite to strike it and sediments where a fire was probably built several times at an ancient site in England.
- Life
We all have a (very tiny) glow of light, no movie magic needed
Normal cellular processes in living things — from germinating plants to our own cells — create biophotons, though escaping light isn’t visible to us.
- Ecosystems
Extinct moa ate purple trufflelike fungi, fossil bird droppings reveal
DNA analysis reveals the big, flightless moa birds ate — and pooped out — 13 kinds of fungi, including ones crucial for New Zealand’s forest ecosystem.
- Anthropology
A foot fossil suggests a second early human relative lived alongside Lucy
Foot bones and other fossils have been attributed to Australopithecus deyiremeda, a recently discovered species that may shake up the human family tree.
- Archaeology
Precolonial farmers thrived in one of North America’s coldest places
Ancestral Menominee people in what’s now Michigan’s Upper Peninsula grew maize and other crops on large tracts of land despite harsh conditions.
- Animals
Guppies fall for a classic optical illusion. Doves, usually, do too
Comparing animals’ susceptibility to optical illusions can show how perception evolved.
- Animals
Ancient DNA reveals China’s first ‘pet’ cat wasn’t the house cat
The modern house cat reached China in the 7th century. Before that, another cat — the leopard cat — hunted the rodents in ancient Chinese settlements.
- Plants
Some tropical trees act as lightning rods to fend off rivals
Though being struck by lightning is usually bad, the tropical tree Dipteryx oleifera benefits. A strike kills other nearby trees and parasitic vines.
- Microbes
Antarctic lake microbes have flexible survival strategies
Life teems under the Antarctic ice sheet. In subglacial Lake Mercer, it is surprisingly versatile and isolated from the rest of the world.
- Climate
Unearthed ice may be the Arctic’s oldest buried glacier remnant
Thanks to climate change, thawing permafrost in the Canadian Arctic has revealed the buried remnant of a glacier that’s 770,000 years old.
