/u/bardbot's posts in /r/askscience

Year:

Only show posts with narrations

If birds have hollow bones, and bone marrow produces red blood cells, how do birds make red blood cells?

1162 upvotes

Mark as read: Add to a list

If grass turns brown when it dies, why do grass stains stay green?

29 upvotes

Mark as read: Add to a list

Could I see something moving at the speed of light?

1 upvotes

Mark as read: Add to a list

Why don't whales get the bends?

1 upvotes

Mark as read: Add to a list

If you subjected someone to a 200,000°F environment for like a quarter of a second and then transported them back to a room temperature environment, what would happen to them?

1 upvotes

Mark as read: Add to a list

How do animals with seemingly thin and poorly-insulated legs (e.g. ruminants, rodents, foxes, coyotes, birds) avoid frostbite in cold and snowy winters?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If birds have hollow bones, and bone marrow produces red blood cells, how do birds make red blood cells?	1162
If grass turns brown when it dies, why do grass stains stay green?	29
Could I see something moving at the speed of light?	1
Why don't whales get the bends?	1
If you subjected someone to a 200,000°F environment for like a quarter of a second and then transported them back to a room temperature environment, what would happen to them?	1
How do animals with seemingly thin and poorly-insulated legs (e.g. ruminants, rodents, foxes, coyotes, birds) avoid frostbite in cold and snowy winters?	1