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What’s the Difference Between Butter and Shortening?
What’s the Difference Between Butter and Shortening?

Butter and shortening are two of the main fats used to make all types of [...]

How to Build a Wooden Ladder
How to Build a Wooden Ladder

A piece of equipment consists of a series of bars between two upright lengths of [...]

What Butterflies’ Colorful Wing Patterns Can Teach Us About Evolution
What Butterflies’ Colorful Wing Patterns Can Teach Us About Evolution

Heliconius charithonia is one of the species of butterflies whose wing patterns scientists scrutinized to [...]

A Winter Boom of Snowy Owls Masks a Host of Climate Threats
A Winter Boom of Snowy Owls Masks a Host of Climate Threats

Snowy owls may be a nice surprise in more Southerly climes, but these charismatic birds [...]

Nanoparticles could boost cancer immunotherapy
Nanoparticles could boost cancer immunotherapy

Magnetically activated NK cells contacting cancer cells. Credit: Northwestern University Boosting function of natural killer [...]

Deriving the fundamental limit of heat current in quantum mechanical many-particle systems

Researchers from the University of Tsukuba have mathematically derived the fundamental limit of heat current [...]

Could treasure hunters have discovered “Nazi Gold”?
Could treasure hunters have discovered “Nazi Gold”?

General Dwight Eisenhower inspects Nazi gold uncovered by Allied forces in 1945. National Archives/Handout/Getty Images [...]

Outdoorsy Volcano Expert Answers Your Questions in Season 2 of ‘The Dr. Is In’
Outdoorsy Volcano Expert Answers Your Questions in Season 2 of ‘The Dr. Is In’

Smithsonian Geologist Liz Cottrell answers your questions in the second season of the National Museum [...]