# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/wir3znq
Material cycle for amine chemistry: Important building blocks created from platform chemical in single step
Fossil raw materials still dominate the chemical industry. But laboratories around the world are researching ways in which large-scale processes can avoid crude oil, natural gas and coal in the future. So-called platform chemicals are gaining in importance; they are produced entirely from renewable raw materials. But their use in industrial processes requires special catalysts. ⌘ Read more