Snow tyres inspired by polar bear paws could provide better grip. 

 - Asia Edition. 
 - Singapore:  JSIM Education,  2022. 
 - 28-29 pages. 
 - BBC Earth.  Discoveries.  Vol. 15 (2).  2737-5560 .
<br/><br/> Tiny structures on the bears' paw pads produce the traction that allows them to move freely on ice and snow. 
<br/><br/><label>ISSN: </label>2737-5560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering.
<br/><br/><label>Dewey Class. No.: </label>BBC Earth Sn611 2022