31.
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34.
35.
36.
37.
Earthquake scientists reveal how overplowing weakens soil at experimental farm
(news.ycombinator.com)
38.
39.
Boomloom: Think with your hands
(news.ycombinator.com)
41.
42.
43.
SBCL Fibers – Lightweight Cooperative Threads
(news.ycombinator.com)
45.
46.
How to clean and organize your Mac
(engadget.com)
48.
51.
52.
Bippy: React Internals Toolkit
(news.ycombinator.com)
54.
55.
56.
58.
59.