Science & Industry
Why Are People Never Smiling in Old Photographs?
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Article
First developed in the late 1820s, photography combined art and science into one medium capable of capturing an image in the moment. The innovation transformed recorded history into something that could be documented in pictures as well as text. As the technology advanced, the medium exploded in popularity, making it possible for families to create snapshots of memories for future generations to appreciate. These early photographic portraits transport us back in time, painting a picture of a different way of life: Families were larger, clothes were bulkier, and postures were noticeably stiff and formal. But ...Read More
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Science & IndustryArticle05 Inventions You Didn’t Realize Came From Ancient Rome
In 500 BCE, Rome was nothing more than a minor city-state on the Italian Peninsula. But with its eyes set on expansion, Rome began to conquer its neighbors until it…
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Science & IndustryFact25Humans may have nearly gone extinct.
When we think of endangered animals, we generally think about elephants, tigers, and whales — but certainly not humans. Yet between 800,000 and 900,000 years ago, ancestors of Homo sapiens…
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Science & IndustryArticle36What Did People Use Before Toothbrushes?
Since the fourth millennium BCE, when urban civilizations first appeared in ancient Mesopotamia, humans have strived to achieve proper dental hygiene. Yet the nylon-bristled toothbrush we use today didn’t come…
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Science & IndustryFact21A solar eclipse helped prove Einstein’s theory of general relativity.
Decades before Albert Einstein became a pop culture phenomenon by sticking out his tongue on his 72nd birthday, he was an emerging theoretical physicist on the brink of a major…
