Activity for Elise van Looij‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Can I safely eat grass? Apart from the low nutrients issue, grass stems are covered in tiny silica spikes, which act as an abrasive on your insides. These spikes are thought to have evolved as a defense against being eaten (Silica in grasses as a defence against insect herbivores:) -- which clearly didn't work in the long r... (more)	—	about 7 years ago