Older than expected: Teeth reveal the origin of the tiger shark
With a total length of up to 5.5m, the tiger shark is one of the largest predatory sharks known today.…
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How humans develop larger brains than other apes
A new study is the first to identify how human brains grow much larger, with three times as many neurons,…
Ocean’s mammals at crucial crossroads
The ocean’s mammals are at a crucial crossroads — with some at risk of extinction and others showing signs of…
Rodenticides in the environment pose threats to birds of prey
Over the past decades, the increased use of chemicals in many areas led to environmental pollution — of water, soil…
Giraffe biology
The giraffe is a truly puzzling animal. With its exceptional anatomy and suite of evolutionary adaptations, the giraffe is an…
Dogs infected with Leishmania parasites smell more attractive to female sand flies
Dogs infected with the Leishmania parasite smell more attractive to female sand flies than males, say researchers. The study published…
Sheep vs. goats: Who are the best problem solvers?
When it comes to adapting to new situations, goats are a step ahead. Compared to sheep, they can more quickly…
Declining caribou population victim of ecological chain reaction
A new study comparing decades of environmental monitoring records has confirmed that Canada’s caribou are not faring as well as…
Enigmatic circling behavior captured in whales, sharks, penguins, and sea turtles
Technological advances have made it possible for researchers to track the movements of large ocean-dwelling animals in three dimensions with…
New study predicts changing Lyme disease habitat across the West Coast
The findings of a recent analysis conducted by the Translational Genomics Research Institute (TGen), an affiliate of City of Hope,…