Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
The remnants of nuclear reactors nearly two billion years old (2010)
(
nasa.gov
)
4 points
by
Bluestein
37 days ago
|
hide
|
past
|
favorite
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
