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Evolution

Example of a long-tailed macaque using a stone tool to access food.

Surprising similarities found in stone tools of early humans and monkeys

Categories Life & Non-humans

The microprotein in the mitochondria (green) and in the nucleus (blue) was overexpressed in human cells. The yellow and pink areas show that the signal of the microprotein overlaps with the mitochondrial and nuclear signals.

Evolution: Miniproteins appeared “from nowhere”

Categories Health

Young boy climbing a tree using a rope

How could we evolve such a huge brain?

Categories Brain & Behavior

This photomicrograph depicts Cryptococcus neoformans a fungal pathogen that has been causing an increasing number of life-threatening infections. People with AIDS, and those using immunosuppressive drugs are most vulnerable.

Warmer climate drives fungi to be more dangerous to our health

Categories Health, Life & Non-humans

Artist's reconstruction of Ignacius dawsonae surviving six months of winter darkness in the extinct warm temperate ecosystem of Ellesmere Island, Arctic Canada.

Fossils show near-primates were cool with colder climate

Categories Life & Non-humans

Reconstruction of the metoposaurs, - representatives of temnospondyl amphibians in their environment, some 215 million years ago.

A tumor more than 215 million years old

Categories Life & Non-humans

A Nile crocodile swallows an impala, its reward for lying in wait beneath the water’s surface. By resurrecting the hemoglobin of ancient crocodilian ancestors, a Husker-led team has helped explain why other vertebrates failed to evolve the adaptations that allow crocs to go hours without air.

Decoding Croc Blood: Mutations Make it an Oxygen-Ferrying Winner

Categories Life & Non-humans

Graphs showing the average age at conception for men versus women over the past 250,000 years. Images courtesy of the Hahn Lab

Fathers consistently older than mothers throughout human history

Categories Brain & Behavior, Health, Social Sciences

The figure shows the relationship between movement and regulation of insulin-producing cells in the fruit fly.

Exercise curbs insulin production

Categories Health, Life & Non-humans

Life reconstruction of the 120-million-year-old bird Cratonavis zhui

Bizarre bird from China shows decoupled skull and body

Categories Life & Non-humans

This graphical abstract depicts the rise of new genes in humans.

Humans continue to evolve with the emergence of new genes

Categories Health

A tree frog (Dryophytes japonica) spitting out a male wasp (Anterhynchium gibbifrons) after being stung (by pseudo-stings)

Male wasps sting predators with their genitals

Categories Life & Non-humans

Dinosaur face

First dinosaurs ate pretty much everything

Categories Life & Non-humans

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