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Content by Mark Barna

farm dog

Planet Earth

Dogs Accompanied the First Farmers to Europe
FacesInACrowd.jpg

Mind

The Human Brain Can Recognize 5,000 Faces
FrogCythridfungus-1024x768.jpg

Planet Earth

These Frogs Evolved Resistance to Deadly Chytrid Fungus
killer whale orca - shutterstock

Environment

Killer Whale Populations At Risk from Toxic Chemicals
Menkaure's pyramid

The Sciences

Everything Worth Knowing About the Giza Pyramids
long distance runner trains on remote landscape

Health

Gene Mutation Made Our Ancestors Better Long Distance Runners
Colonial_Spiders_Stegodyphus_dumicola_6607373097-1024x576.jpg

Planet Earth

Bold Spiders Rub Off On Their Meek Compatriots
Goat Smile

Planet Earth

Goats Like Your Smile, Hinting Farm Animals Read Emotions
cigarette

Health

Quitting Smoking Makes You Gain Weight. It's Still Healthier
(Credit: Martina_L/shutterstock)

Planet Earth

How Grasshoppers Hopped Around The World
shutterstock_1135405874.jpg

Environment

New Wheat Genome Sequence Could Unlock Hardier Crops
shutterstock_280352840.jpg

Health

Belly Fat Linked to Cognitive Problems in Older People
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