› added 2 years ago

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TIL basal cell carcinoma grows roots. What looks like a small bump that’s not healing on top of your skin on the outside could actually be much larger underneath. It’s a very treatable skin cancer, but also has a high rate if reoccurrence.

Read more health.harvard.edu

via reddit.com

9epm TIL Japanese honey bees defend against Japanese giant hornets by forming a tight ball around the offending hornet. Vibrating their wings, the bees create and direct enough heat to the centre of the formation that it becomes lethal to the hornet.
lmD5 TIL: that the Foley sound effect for automatic doors in Star Wars was created by sliding a piece of paper out of an envelope
e7PL TIL that a couple took in three orphans and used them to get Extreme Makeover: Home Edition to build them a new house. After the house was built, they kicked the orphans out.
j6KDj TIL the first native speaker to teach English in Japan was named "Ranald MacDonald"
rN1Ld TIL that legendary University of Tennessee football coach Robert Neyland helped design the stadium the team plays in. The stadium was renamed in his honor in 1962.