Scientists observed/studied killer whales offering prey items to people (on boats/in the water/on the shore) and awaiting their responses before reacting further. Scientists hypothesize these cases may be representative of interspecific generalized altruism.
For anything truly interesting as fuck"Stop buying this cheap plastic crap!"

Welcome to the subreddit for our funny animal friends!
Sharing naptime (and space) with a friend
The catch-all community for sharing beautiful, happy, or adorable content. After a long day of seeing what internet anonymity can do to people, you're bound to need some eye bleach.Henry Fonda, after having enlisted in the US Navy, 1942

/r/OldSchoolCool **History's cool kids, looking fantastic!** A pictorial and video celebration of history's coolest kids, everything from beatniks to bikers, mods to rude boys, hippies to ravers. And everything in between. If you've found a photo, or a photo essay, of people from the past looking fantastic, here's the place to share it.
Print advertising for Puss 'n Boots cat food, 1954 (2397 x 3337)

r/HistoryPorn. Exploring the past through historical photographs. Part of the SFW Porn Network
All Aboard the Catland Express!
The catch-all community for sharing beautiful, happy, or adorable content. After a long day of seeing what internet anonymity can do to people, you're bound to need some eye bleach.Talking to a goldbug

Memes! A way of describing cultural information being shared. An element of a culture or system of behavior that may be considered to be passed from one individual to another by nongenetic means, especially imitation.
Oh, yes, that's the spot!
Welcome! /r/MadeMeSmile is a place to share things that made you smile or brightened up your day. A generally uplifting subreddit.Unless the question involves tuna treats ...

Memes! A way of describing cultural information being shared. An element of a culture or system of behavior that may be considered to be passed from one individual to another by nongenetic means, especially imitation.