04/09 09:00 PM gizmodo.com

Chimpanzees Are Murdering Their Former Friends, and Researchers Can’t Wrap Their Heads Around It

#chimpanzees #violence #primate behavior #research #social bonds #animal cruelty

04/09 04:38 PM cbsnews.com

Creature thought to be world's oldest octopus isn't an octopus after all

#cephalopod #nautilus #octopus #paleontology #marine biology #evolutionary biology

04/08 08:46 PM economist.com

Mummified reptiles are revealing how breathing evolved

#mummified reptiles #breathing evolution #fossil evidence #ancient respiration #reptile anatomy #evolutionary biology

04/08 05:00 PM smithsonianmag.com

What Is a Shark? A New Genetic Analysis Throws an 'Unexpected Wrench' Into Our Understanding of the Ocean Predators

#shark genetics #evolutionary biology #marine predators #distinct lineage #genetic analysis #ocean biodiversity

04/05 01:49 AM yahoo.com

Can people love dogs as much as children

#dog love #human‑animal bond #attachment #caregiving instincts #evolutionary biology #emotional experience

04/03 03:00 PM smithsonianmag.com

Why Do So Few Mammals Go Through Menopause? And More Questions From Our Readers

#menopause #mammals #evolutionary biology #reproductive lifespan #aging #species differences

04/02 11:22 PM smithsonianmag.com

This 500-Million-Year-Old Fossil of a Claw-Bearing Predator Uncovers the Origins of Spiders, Scorpions and Other Arthropods

#fossil #chelicerate #arthropod evolution #spiders #scorpions #Cambrian

03/28 02:30 PM arstechnica.com

Explanation for why we don't see two-foot-long dragonflies anymore fails

#prehistoric dragonflies #giant insects #oxygen constraint hypothesis #Palaeozoic era #insect size limits #atmospheric oxygen

03/26 08:55 PM gizmodo.com

Unprecedented Images Show Sperm Whales Acting as Midwives to Help a Mom Give Birth

#sperm whales #midwifery #whale birth #marine mammals #social behavior #cooperative breeding

03/26 08:55 PM gizmodo.com

Unprecedented Images Show Sperm Whales Acting as Midwives to Help a Mom Give Birth

#sperm whales #midwifery #whale birth #marine mammals #social behavior #cooperative breeding