Historical clue formulations

• Sticky tree secretion — 2026-04-06
• Amber or myrrh — 2026-03-23
• Tree goop — 2025-07-04
• Frankincense or myrrh — 2025-03-09
• Amber, e.g. — 2024-10-26
• Sticky secretion — 2023-02-13
• Sticky plant stuff — 2023-02-09
• Sticky tree secretion — 2022-06-20
• Pine product — 2021-11-26
• Pine secretion — 2021-08-25
• It sometimes runs in the woods — 2020-06-12
• Pourable art material — 2020-05-17
• What amber comes from — 2019-12-15
• Amber, originally — 2019-09-22
• What a plant may exude — 2019-07-07
• Myrrh, for one — 2019-04-25
• Balm of Gilead, e.g. — 2018-09-08
• Sticky stuff — 2018-07-29
• Amber, e.g. — 2018-04-25
• Shellac, e.g. — 2017-08-03
• Frankincense, e.g. — 2017-07-23
• Sticky secretion — 2017-07-10
• Substance used in Egyptian mummification — 2017-05-05
• Amber, e.g. — 2017-01-15
• Turpentine source — 2016-12-30
• Pitch, e.g. — 2016-10-29
• Preserver of bugs — 2016-10-23
• Tree secretion — 2016-09-12
• Pine product — 2016-09-07
• Teflon, e.g. — 2016-02-20
• Pine exudation — 2015-11-24
• Frankincense or myrrh — 2014-07-17
• Frankincense or myrrh — 2011-08-24
• Source of amber — 2011-08-15
• Nail polish ingredient — 2011-06-05
• Fly catcher — 2011-01-16
• Pine exudation — 2010-11-08
• Amber is a fossilized one — 2010-09-21
• Sticky stuff — 2010-02-02
• Plant exudation — 2009-04-06
• Ingredient in plastics — 2008-10-03
• Frankincense or myrrh — 2008-08-16
• Balsam, e.g. — 2008-08-14
• Sticky stuff — 2007-07-08
• Varnish ingredient — 2005-12-26
• Amber material — 2005-06-15
• Varnish ingredient — 2005-01-12
• Balsam, e.g. — 2004-11-21
• Gum — 2004-10-31
• Pine exudation — 2004-10-25