Slate Magazine
•69% Informative
While breasts are only found among mammals, most mammals do not have breasts.
In our own species, breasts are made of fatty, glandular, and fibrous tissue that is internally crisscrossed with ducts and sits on top of the chest muscles.
We can learn more about our own selves through what commonalities we share with other life.
The cleavage of elephants, manatees, and perhaps even the extinct, dual-horned Arsinoitherium evolved breasts not unlike ours.
Why humans have breasts with staying power, we’ll probably never know. The hypothesis I like best involves hormonal shifts in our ancient human ancestors that favored new deposits of subcutaneous fat for storing energy and regulating body temperature.
VR Score
73
Informative language
78
Neutral language
20
Article tone
informal
Language
English
Language complexity
44
Offensive language
offensive
Hate speech
not hateful
Attention-grabbing headline
detected
Known propaganda techniques
not detected
Time-value
long-living
External references
12
Source diversity
11
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