Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
meindnoch
38 days ago
|
parent
|
context
|
favorite
| on:
Feathers are one of evolution's cleverest inventio...
Hummingirds are the best flyers among vertebrates, with only two wings. They can hover very precisely, and they can also fly backwards.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
