- 31 Dec 2025 closes and the new year begins
- 29 Dec The days between and the year’s last quiet
- 28 Dec Words of the year, and the mood they catch
- 27 Dec The year's ledger: the accounts of 2025
- 25 Dec The day itself and the rituals of the turning week
- 24 Dec The eve of the holiday and the year’s last preparations
- 22 Dec The solstice: the year's darkest turn and its promise
- 21 Dec Winter solstice: the day the year turns
- 20 Dec Junk DNA, and a clue to Alzheimer's
- 19 Dec Fourteen disorders, five shared genetic roots
- 18 Dec The year's science and the months of discovery
- 17 Dec Desks of the exam season
- 16 Dec A mapping satellite continues its quiet work
- 15 Dec He Jiankui, seven years after the CRISPR babies
- 14 Dec The mid-December pause: the year holds its breath
- 12 Dec Light nuclei, surviving the fireball
- 11 Dec A ductile interface keeps solid batteries from cracking
- 10 Dec A seventh remission, and a gentler road to it
- 09 Dec The root: dialects, traditions and customs
- 08 Dec The winter quiet and the year's last preparations
- 07 Dec Washington hosts the World Cup draw
- 05 Dec A quartet of charm quarks
- 04 Dec December's trades: the markets at the year's end
- 02 Dec December opens with the year's last month in view
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