This sign is used to indicate the presence of poisons.
Poisons are substances that cause harm to organisms when sufficient quantities are absorbed, inhaled or ingested. A toxin is a poisonous substance produced within living cells...
In this activity, students learn about toxins and poisons and research what’s poisonous in New Zealand.
A team of scientists from New Zealand and Australia has discovered the way in which a bacterium packages its toxins in a hollow protein shell and...
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