Evictions start tomorrow

It’s week 2 and tomorrow sees the start of  the evictions, who will be first to go? Get your votes in!

Today’s highlights in the Crystallography Zone:

• Why oxygen keeps us alive but can also kill us:

charliee : why is ozone able to kill us but oxygen helps us survive if they are both made of oxygen

davidbriggs : good question – Oxygen is O2 (two atoms of Oxygen stuck together) – Ozone is O3. O3 just happens to be toxic to us.

samhorrell : Ozone is very reactive and damages living tissue. Oxygen is innert

• And the placebo effect explained:

Why does the placebo effect work?