06-October-2021 Wednesday
A slight tremor from within
02-October-2021 Saturday
slivers
01-February-2020 Saturday
Another proof that aspartame is safe
03-December-2019 Tuesday
Wi-Fi in the classroom
23-August-2019 Friday
Help to understand
20-August-2019 Tuesday
Quote
12-August-2019 Monday
Recommend a book
09-August-2019 Friday
Interesting facts about water
07-August-2019 Wednesday
The change in the state of the crystal after months....
23-July-2019 Tuesday
Small selection of crystals#2
22-July-2019 Monday
Recommend a book
18-July-2019 Thursday
Looking for a book
18-July-2019 Thursday
Growing crystals: a detailed description for beginners
17-July-2019 Wednesday
A small selection of crystals from different salts
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