Lots of plants are smooth to the touch, and some are even soft and feathery like flowers! So why are cactuses prickly and sometimes even painful? We asked botanist Rachel Jabaily from Colorado College to answer this spine-tingling question. 


Got a question that’s prickling at your brain? Send it to us at BrainsOn.org/contact, and we’ll help sharpen you up.

Lots of plants are smooth to the touch, and some are even soft and feathery like flowers! So why are cactuses prickly and sometimes even painful? We asked botanist Rachel Jabaily from Colorado College to answer this spine-tingling question.  Got a question that’s prickling at your brain? Send it to us at <a href="http://brainson.org/contact">BrainsOn.org/contact</a>, and we’ll help sharpen you up.

Moment of Um is your daily answer to those questions that pop up out of nowhere and make you go… ummmmmmm. Brought to you by your friends at Brains On Universe.

Sales and Distribution by Lemonada Media https://lemonadamedia.com/  

Moment of Um is your daily answer to those questions that pop up out of nowhere and make you go&hellip; ummmmmmm. Brought to you by your friends at Brains On Universe.
Sales and Distribution by Lemonada Media <a href="https://lemonadamedia.com/" data-stringify-link="https://lemonadamedia.com/" data-sk="tooltip_parent">https://lemonadamedia.com/</a>&nbsp;&nbsp;

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