Did You Know?
Although all turtles and tortoises breath air like us, some species have adapted to spending extended amounts of time underwater by developing large cloacal cavities lined with many finger-like projections in the rear of their shells that can take in water and extract dissolved oxygen in a pseudo-gill-like function that operates independently of their regular lungs.
Today's Tech Term
ACK
An ACK (short for Acknowledgement Code) is a transmission control character (usually an ASCII character reserved for that purpose) that is sent from a receiving station to a sending station to indicate that a message or block of data has been successfully received (uncorrupted or with an acceptable number of errors).
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