Small interfering RNA molecules could be used as species-specific pesticides.

This would work on crops that are not genetically modified, by spraying on the RNA.

Getting them into the cells of the targeted species is a difficulty. An idea that occurs to me is to build them into a genetically modified version of a virus that targets that pest species.

The RNA molecule might randomly interfere with other genes in other species. However, the virus probably won't get into cells of most other species. With two keys that need to fit two locks, the chance of affecting other wildlife would be much less.

The idea is very interesting, but it is not without danger to the environment. It could also conceivably hurt humans — that is unlikely but needs to be tested.

I don't trust Monsanto to test this carefully, because its interest is to be careless.

Corbyn advocates making the UK a republic, so he kept silent at a ceremony as "God Save the Queen" was sung. Plutocrats are spewing dishonest venom over this.

They will throw any sort of insults, trying to make him look bad. Then they will criticize him for being the target of their smears.

Corbyn had to act according to his views, or become another dishonest politician.

I don't have any opinion about that issue. I am concerned with the policies of the British government, not about who is the symbolic head of state.

Bernie Sanders' single-payer medical system would cost a little over half what the US spends today, but the Wall Street Journal compares it with zero rather than with our current system.

The year's minimum Arctic sea ice area is nearly a record. Only three years (all recent) have reached a lower level.

Around 1/5 of teenage girls are so caught up in addictive corporate social media that it damages their mental health.

This should not be too surprising. These apps are proprietary software, designed by companies to manipulate their users. It is common to many fields of production that designers make their products as addictive as possible. The addictiveness of these networks constitutes success in their eyes.