Now Out: Essay 2036 on 芯 (core), a Revision, and 5 New-Monics

The 400th essay is now out! Woo-HOOOOOOO! That's a lot of round letters to celebrate the big round number! Little bubbles are perhaps an even better way to mark the occasion:

Let me be more specific! Essay 2036 on 芯 (core) is now available for purchase. Here's a preview:

Exercise your core muscles! This essay shows how one kanji can represent everything from apple cores, candle wicks, metal staples, and pencil lead to the soft innards of a quilt and (ideally) harder core muscles. Learn to say, “I’m chilled to the core.” Find out how to talk about the dead center of a baseball bat and taking a “bite” out of a golf ball. Also discover a connection to female orgasm! 

A revision to the following essay has also posted:

• Essay 2071 on 爪 (nail, claw, talon; hoof; "claw" radical)

Details about the changes are at the link. If you've bought this essay before or if you have a subscription, you can download the new version for free.

Finally, Ulrike created the following new-monics:

卓 (1553: table)
悼 (1648: mourning)
封 (1762: seal)
沸 (1767: to boil)
噴 (1770: to gush out)