› added 5 years ago

408

TIL that watermelons can be yellow.

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VMgK0 TIL That the experimental T-13 grenade of World War II was designed with a size, weight and shape similar to a baseball, thus making it easy for young American men to properly throw the grenade with both accuracy and distance.
RVgj TIL that hypocrisy does not mean “not practicing what you preach”; it means falsely claiming to do so
vvrx TIL The Ancient Chinese knew of the Roman Empire and attempted to send an envoy as early as 97 AD
QJ9yE TIL Research shows that cats that are provided with empty boxes were more interactive, friendly and comfortable with the people around them as compared to those cats that did not have a box to snuggle in. So, it can be said that cats derive comfort and security from boxes.
OG9Oa TIL the concorde used fuel pumps and multiple fuel tanks to move its fuel around mid-flight to trim its center-of-mass to help maintain stability as it passed supersonic speeds.