Given that it takes time to deliver a well-crafted, memorable point, the more points you cram in, the less time you have to make each one. Therefore the less memorable each point will be.

Inside the airplane, an inflated vest can reduce your mobility and block other people.

That is, there are many energy signals, and maybe you can affect one of them, but then others seem to take up the slack.

Some data from the clinical trials indicate immune molecules may wane after three to five years.

The wind, temperature, water level, etc has dropped considerably.