Why do we cry? An expert explains the science behind it.

• Why do dogs lick you? Expert explains

  Top stories - CBS News - October 25
• 

  Horizon Dev Explains Why Guerrilla "Needed" To Leave Killzone Behind

  Tech - GameSpot - October 22

• Why we cry when we're sad, happy or stressed

  Top stories - CBS News - 21 hours ago

• Why do we have the Electoral College?

  Top stories - CBS News - November 5
• 

  Why poppies are worn for Remembrance Day

  Top stories - BBC News - 4 days ago
• 

  Dolphins' Tua Tagovailoa is not wearing Guardian Cap, and NFL chief medical expert explains why

  Sports - CBS Sports - October 27
• 

  ‘Five to ten seconds appears to be optimal’: the science behind hugs

  World - The Guardian - October 26

• ‘We Live in Time’ Inspires a Thousand Crying Selfies

  Lifestyle - The New York Times - October 31

More from CBS News

• Mysterious diamond necklace linked to queen's demise sells for $4.8 million

  Top stories - CBS News - 28 minutes ago

• Scientists say biggest coral in the world discovered in the Pacific

  Top stories - CBS News - 32 minutes ago

• Can Trump impose tariffs without Congress? It's complicated, experts say.

  Top stories - CBS News - 39 minutes ago

• What to know about Trump's DOGE, led by Musk and Ramaswamy

  Top stories - CBS News - 48 minutes ago

• London mayor says Trump's attacks on him are due to his ethnicity and religion

  Top stories - CBS News - 56 minutes ago