Search query: trade

Categories: All Categories


13142 records searched, 131 records found, 20 matches displayed

< Previous 20 articles        Next 20 articles >


Search Hints:

  • Use a + (plus sign) or - (minus sign) to include or exclude a word: +mars -venus
  • Use a ? (question mark) as a wildcard for a single letter: te?t (test,text)
  • Use a * (asterisk) as a wildcard for multiple letters: he*t (heat, heart)
  • Use a ~ (tilde) to expand word endings: meteor~ (meteorite, meteorid, meteorology)


Most frequent words for articles published in the last 45 days:
developed (95), climate (85), team (83), species (75), cells (74), used (72), human (64), help (61), change (60), water (60), years (60), data (57), energy (55), such (53), carbon (51), discovered (50), time (48), like (47), materials (46), even (44)


Return to the site home page

Archaeology: General
Published

Origins of the Black Death identified - Origins of the Black Death Identified: A Breakthrough in Understanding the Plague      (via sciencedaily.com) 

The Black Death, the biggest pandemic of our history, was caused by the bacterium Yersinia pestis an...

Archaeology: General
Published

New analysis of obsidian blades reveals dynamic Neolithic social networks - New Analysis of Obsidian Blades Reveals Dynamic Neolithic Social Networks      (via sciencedaily.com) 

An analysis of obsidian artifacts excavated during the 1960s at two prominent archaeological sites i...

Archaeology: General
Published

Unique Viking shipyard discovered at Birka - Unique Viking Shipyard Discovered at Birka      (via sciencedaily.com) 

Archaeologists have located a unique Viking Age shipyard site at Birka on Björkö in Lake Mälaren. Th...

Archaeology: General
Published

In search of the lost city of Natounia - In Search of the Lost City of Natounia: Uncovering the Secrets of an Ancient Civilization      (via sciencedaily.com) 

The mountain fortress of Rabana-Merquly in modern Iraqi Kurdistan was one of the major regional cent...

Anthropology: General Archaeology: General
Published

Ancient African empires' impact on migration revealed by genetics - Ancient African Empires' Impact on Migration Revealed by Genetics      (via sciencedaily.com) 

Traces of ancient empires that stretched across Africa remain in the DNA of people living on the con...

Environmental: Ecosystems
Published

At least 2,000 species of reptiles are threatened, study finds - At Least 2,000 Species of Reptiles are Threatened, Study Finds      (via sciencedaily.com) 

A new study has found that 21 percent of the reptile species on Earth (one in five species), amounti...

Environmental: Ecosystems
Published

'Ugly' reef fishes are most in need of conservation support - Ugly Reef Fishes: The Unsung Heroes of Marine Conservation      (via sciencedaily.com)     Original source 

What's the relationship between people's perception of beauty and animals' conservation needs? Accor...