Wife of previous British PM, not the current one

Same for me, taking magnesium basically treated my anxiety and insomnia.

Overnight security guard

Put empty cutting board on scale. Press tare. Put broccoli on cutting board. There you go, you have just measured the weight of broccoli without taking it off the cutting board. You can’t do that with a cup.

I don’t know why I remember that, but i think catching snitch was 150 points

This would be impossible for me to do. Not because physics, but because I would just eat them