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dash Falling Iguanas
Falling iguanas, falling iguanas! They freeze and drop right out of the trees!
dash Falling from tall trees poses physical risks but rarely kills the frozen iguanas.
Fun Fact
Iguana holding breath: Green iguanas can hold their breath underwater for up to 30 minutes to escape predators.
dash Cold temperatures trigger a temporary state of suspended animation called torpor.
Glossary
torpor (noun)
A state of decreased physiological activity in an animal, typically characterized by reduced body temperature and metabolic rate. Florida's invasive green iguanas enter this unresponsive state when winter temperatures drop below 40 degrees Fahrenheit.
A state of decreased physiological activity in an animal, typically characterized by reduced body temperature and metabolic rate. Florida's invasive green iguanas enter this unresponsive state when winter temperatures drop below 40 degrees Fahrenheit.
Quiz
Are green iguanas usually dead when they fall from trees during a Florida cold snap?
Quiz
How do green iguanas recover from a cold-induced state of torpor?
Quiz
What happens to a green iguana's heart rate during cold-induced torpor?
Quiz
Where do green iguanas typically sleep, making them prone to falling during cold snaps?
Quiz
Which biological feature helps green iguanas survive falls from tall trees?
Quiz
How do green iguanas primarily regulate their body temperature?
Quiz
At what temperature do green iguanas typically start to freeze and lose their grip?
Quiz
What is the scientific term for the temporary state of suspended animation that cold-stunned iguanas enter?
dash Augustus and John Allen founded Houston in 1836 and prioritized rapid growth over strict regulations.
dash Houston No Zoning
No zoning in Houston city! (That's right!) / We build whatever we like! (Oh yeah!) / A skyscraper next to a bungalow home! (Oh-oh!)
dash Without zoning, land use in Houston is driven by economic demand and developer decisions.
Fun Fact
Houston zoning: Houston is the only major city in the United States without a formal zoning code.
dash Two brothers from New York established Houston in 1836 with a focus on commerce.
Glossary
zoning (noun)
The municipal regulation of the land and buildings in a community. Houston voters defeated proposals to establish this type of regulation in 1948, 1962, and 1993.
The municipal regulation of the land and buildings in a community. Houston voters defeated proposals to establish this type of regulation in 1948, 1962, and 1993.
Quiz
Which is the only major city in the top ten most populous US cities without zoning?
Gossip
Would you live next to a noisy roller coaster if your house was cheap?
Quiz
Why did Houston business leaders historically oppose the creation of zoning laws?
Quiz
Which unusual visual contrast is commonly seen on Houston streets due to no zoning?
Quiz
In which years did Houston voters reject citywide zoning proposals?
Quiz
What is a common result of having no zoning laws on commercial businesses in Houston?
Quiz
What is the primary driver of land use in Houston instead of government zoning?
Quiz
What body of water did Houston's founders use to establish the original trading post?
Quiz
Who were the two brothers who founded the city of Houston in 1836?
dash Eagles fans threw snowballs at Santa because late wins cost them top draft pick O.J. Simpson.
dash Philadelphia Snowballs at Santa
Franklin Field is freezing, snowballs are flying, sorry Santa Claus!
dash On game day, a massive winter storm dumped snow and slush over Philadelphia, creating miserable conditions for the 54,530 fans.
Fun Fact
Eagles draft loss: By winning two late-season games in 1968, the Eagles lost the chance to draft superstar O.J. Simpson, which made the fans even angrier.
dash Fans actually wanted the Eagles to lose so they could secure the first overall pick in the 1969 draft to select superstar O.J. Simpson.
Glossary
snowball (noun)
A round ball of packed snow, typically made for throwing. On December 15, 1968, frustrated Philadelphia fans at Franklin Field pelted a substitute Santa Claus with them.
A round ball of packed snow, typically made for throwing. On December 15, 1968, frustrated Philadelphia fans at Franklin Field pelted a substitute Santa Claus with them.
Quiz
What was the weather like in Philadelphia on December 15, 1968, during the game against the Minnesota Vikings?
Gossip
Who was most to blame for the fans' terrible mood?
Quiz
What was the name of the outdoor stadium where the Eagles played their home games in 1968?
Quiz
Why were the wooden seats at Franklin Field so uncomfortable for fans on December 15, 1968?
Quiz
Which team ultimately secured the number one draft pick in 1969 instead of the Eagles?
Quiz
What was the win-loss record of the Philadelphia Eagles heading into the final weeks of the 1968 season?
Quiz
Who was the head coach of the struggling Philadelphia Eagles during the infamous 1968 season?
Quiz
Which college football superstar did Philadelphia fans hope the team would draft by finishing in last place?
Quiz
Which NFL team did the Eagles play against on the day of the Santa snowball incident?
