Tom Metcalfe
Trustworthy journalism comes at a price.
Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need your financial support to make it happen – every contribution makes a difference.
All Stories by Tom Metcalfe
-
ArchaeologyA new study questions when people first reached South America
Data suggest people lived at Chile’s Monte Verde site thousands of years later than thought, challenging key “pre-Clovis” evidence. Not all agree.
-
AnthropologyMosquitoes began biting humans more than a million years ago
A DNA analysis suggests mosquitoes shifted from nonhuman primates to early humans nearly 2 million years ago.
-
Planetary ScienceVenus has a massive lava tube
A collapsed lava tube detected in 30-year-old radar data from Venus may be part of a much wider network of underground caves.
-
ArchaeologyIron Age mass grave may hold unusual victims: mostly women and children
A land dispute may have led to the massacre 3,000 years ago, suggesting Europe’s transition to farming wasn’t always peaceful.
-
ArchaeologyAI helps archaeologists solve a Roman gaming mystery
Researchers used AI-driven virtual players to test more than 100 rule sets, matching gameplay to wear patterns on a Roman limestone board.
-
ArchaeologyThe world’s oldest piece of clothing might be an Ice Age–era hide from Oregon
Two pieces of elk hide connected by a twisted-fiber cord are the earliest evidence of sewing. But what they were used for is still a mystery.
-
ArchaeologyThis ancient stick may be the world’s oldest handheld wooden tool
These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.
- Anthropology
This hand stencil in Indonesia is now the oldest known rock art
The work suggests early Homo sapiens developed enduring artistic practices as they moved through the islands of Southeast Asia.
-
ArchaeologyThis ancient pottery holds the earliest evidence of humans doing math
Flower designs on 8,000-year-old Mesopotamian pots reveal a “mathematical knowledge” perhaps developed to share land and crops, archaeologists say.
-
Archaeology60,000-year-old poison arrowheads show early humans’ skillful hunting
A new analysis uncovers traces of poison on the South African arrowheads, pushing back the timeline for poisoned weapons by more than 50,000 years.
-
AnthropologyBig Neandertal noses weren’t made for cold
Tiny cameras threaded inside a Neandertal skull provide evidence that their big noses were not an adaptation to cold climates.
-
Archaeology12,000-year-old rock art hints at the Arabian Desert’s lush past
Newly found engravings of animals on rock outcrops in Saudi Arabia’s Nefud desert show nomads lived there thousands of years ago.