New

The latest blog posts to take off on Hacker News. 2,419 posts.

Science & Space
Any year
1981

Close-Up View of DNA Replication

Almost all life on earth is based on DNA being copied, or replicated, and understanding how this process works could lead to a wide range of discoveries in biology and medicine. Now for the first time scientists have been able to watch individual steps in the replication of a single DNA molecule, with some surprising…

2004

Radioactive Waste Management

Nuclear waste is neither particularly hazardous nor hard to manage relative to other toxic industrial wastes. The amount of radioactive waste is very small relative to wastes produced by fossil fuel electricity generation. Safe methods for the final disposal of high-level radioactive waste are technically proven.