A study finds that every stage of fracking spreads toxic substances.

A crowdfunded genetic engineering project aims to produce a glow-in-the-dark variety of arabidopsis, just for hack value.

I don't see any danger in glowing arabidopsis. What scares me is the possibility of making viruses this way. However, that can't be prevented by the sort of regulation that people are thinking of; a totally secret project could ignore the regulations.

Discussing the effects of marijuana can rot your brain, if you're not careful.

It may be quite difficult to design AIs with desires such that we can be sure they won't take horrible revenge on humans.

However, the problem may not arise if we stick to AIs that don't have desires.

Illegal logging is rife in the Peruvian Amazon. Many logging concessions are being canceled.