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These rare dinosaur tracks were exposed to the light, as it were, by extreme dryness in a Texas riverbed gone dry. Source: Texas Parks & Wildlife Department

Extreme Drought Exposes Theropod Dinosaur Tracks in Texas River

A record drought in Texas has exposed a bunch of 110-million-year-old dinosaur tracks in yet another example of how climate change is both revealing new things and making us uncomfortable. As lakes,...
Top Stories This Week: A Big Stink, a Sacred Clean Up, a Magic Brooch and More

Top Stories This Week: A Big Stink, a Sacred Clean Up, a Magic Brooch and More

In this top story overview, we highlight our most read articles this week, including a look at a study dispelling the ‘meat made us human’ hypothesis, an almighty stink in London, and a controversial...
These 1.5 million year old fossil bones with cut marks from Koobi Fora, Kenya were used in the latest study to understand the evolution of the human meat diet, which revealed that the story is more complex and less meaty.	Source: Briana Pobiner / GWU

Study Dispels Human Meat Diet Hypothesis, Changing Evolutionary Story

In developed societies across the world today, many are converting to vegetarianism or veganism, following diets that completely exclude meat or animal products from their consumption habits. Over...
Tyrannosaurus Rex Likely Hunted in Packs - and There Were Billions of Them!

Tyrannosaurus Rex Likely Hunted in Packs - and There Were Billions of Them!

As the most ferocious dinosaur, Tyrannosaurus rex once prowled the lands that now comprise North America with impunity. And if the conclusions of a new research project are correct, their behavior...
Ancient humans competed with fierce animals for the Denisova cave. Source: anibal / Adobe Stock.

Humans Competed with Fierce Animals for the Denisova Cave

Fossil animal droppings, charcoal from ancient fires and bone fragments litter the ground of one of the world's most important human evolution sites, new research reveals. The latest evidence from...
Part of the facade of the Temple of the Feathered Serpent of Teotihuacán, now at the Mexican National Museum of Anthropology; eagles and rattlesnakes were among the animals kept and/or sacrificed at the ancient city.

Mesoamericans at Teotihuacan kept Ferocious Animals Captive and May Have Fed them with Humans

Much has been written about human sacrifice in Mesoamerica, but a new study says the people of Teotihuacan up to 2,000 years ago had a wild animal captivity and sacrifice program that included...
Wild carnivorous animals emerge from a trap door into the Colosseum. ‘The Christian Martyrs' Last Prayer, by Jean-Léon Gérôme, 1883.

Complex Elevator and Trap Door System for Raising Wild Animals into the Colosseum Reconstructed

Many thousands of people suffered violent deaths in the gladiatorial contests of the Colosseum and other arenas of the ancient Roman empire. Innumerable animals killed and were killed in the blood-...
Brain size shrinking

Why did our brains stop expanding?

In the forest the human brain was expanding and expanding at a phenomenal rate. Sometime at around 200,000 to 150,000 years ago, this process came to an end. The brain stopped expanding and started...