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    Home / Author / Kabir Firaque
    Kabir Firaque

    Puzzles Editor Kabir Firaque is the author of the weekly column Problematics. A journalist for three decades, he also writes about science and mathematics.

    Articles by Kabir Firaque

    Problematics | Cash transfer

    Welcome to Problematics!
    editors pick
    Updated on Oct 26, 2026 08:27 IST

    Problematics | Cash transfer

    HT FILE PHOTO/ Virendra Singh Gosain
    editors pick
    Updated on Oct 26, 2026 08:19 IST

    Problematics | Ask a woman her age…

    Welcome to Problematics!
    editors pick
    Updated on Oct 19, 2026 08:22 IST

    The physics and psychology of stampedes, as 19 die at Durga Puja pandal

    Footwear and other items lie scattered at the site after the stampede at Chorebagan Sarbojanin Durga Puja pandal, in Kolkata on Saturday.
    HT Explainers
    Updated on Oct 18, 2026 09:16 IST

    Problematics | Card multiplication

    Problematics | Card multiplication
    editors pick
    Updated on Oct 12, 2026 06:48 IST

    The research associates who help scientists on their Nobel journey

    In the end, the Nobel Prize for a particular field in any given year is awarded to at most three recipients.
    HT Explainers
    Updated on Oct 9, 2026 02:23 IST

    Nobel Prize for Chemistry: They engineered reactions to mirror life

    The Royal Swedish Academy of Sciences has decided to award the 2026 #NobelPrize in Chemistry to Henri B. Kagan and Kenso Soai “for the discovery of non-linear effects and autocatalysis in asymmetric organic synthesis.”
    HT Explainers
    Updated on Oct 8, 2026 02:03 IST

    Nobel Prize for Physics: Clues to cosmic mysteries captured deep in Antarctic ice

    This year's laureate, Francis Halzen, was the brain behind IceCube, a massive detector spanning a cubic kilometre of ice, with sensors 1.5 to 2.5 km below the surface in Antarctica.
    HT Explainers
    Updated on Oct 7, 2026 01:59 IST

    How a light switch from algae won the Nobel and began restoring sight

    Optogenetics uses light to switch living cells on and off, and it works the same way in a patient's eye as in a laboratory mouse.
    ht vital
    Updated on Oct 6, 2026 00:44 IST

    2026 Nobel Prize for Medicine: The protein that can unlock secrets of the brain

    The three scientists were recognised for pioneering work that enabled researchers to control the activity of specific cells using light.
    HT Explainers
    Updated on Oct 5, 2026 18:01 IST

    Problematics | Nobels on prime time

    Welcome to Problematics!
    editors pick
    Updated on Oct 5, 2026 06:07 IST

    Problematics | Bootleg DVDs

    Welcome to Problematics!
    editors pick
    Updated on Sep 28, 2026 13:00 IST

    Problematics | Surviving Russian roulette

    Welcome to Problematics!
    editors pick
    Updated on Sep 21, 2026 10:01 IST

    Indian scientists find tool to control quantum loss: What does it mean?

    A quantum particle can exist in either an excited state (higher energy) or a ground state (lower energy). When two particles get entangled, their states become linked.
    HT Explainers
    Updated on Sep 14, 2026 11:24 IST

    Problematics | Against the Odds

    Problematics | Against the Odds
    editors pick
    Updated on Sep 14, 2026 10:16 IST

    Problematics | Sailor dance

    Welcome to Problematics!
    editors pick
    Updated on Sep 7, 2026 06:41 IST

    New finding breathes life into dark matter hunt

    Scientists have believed in the existence of dark matter for almost a century now.
    HT Explainers
    Updated on Sep 3, 2026 02:56 IST

    Problematics | Dickens on the shelves

    Welcome to Problematics!
    editors pick
    Updated on Aug 31, 2026 13:52 IST

    Dickens on the shelves | Problematics

    Problematics | Dickens on the shelves
    editors pick
    Updated on Aug 31, 2026 14:10 IST

    Problematics | Lettered states

    Welcome to Problematics!
    editors pick
    Updated on Aug 24, 2026 11:48 IST

    Problematics | A piece of cake

    A piece of cake
    editors pick
    Updated on Aug 17, 2026 13:28 IST

    Problematics | Newton’s cows revisited

    Welcome to Problematics!
    editors pick
    Updated on Aug 10, 2026 09:20 IST

    Problematics | Birds in flight

    Welcome to Problematics!
    editors pick
    Updated on Aug 3, 2026 09:06 IST

    Problematics | Book # 6

    11 novels stand in a row. Can you determine their order?
    editors pick
    Updated on Jul 27, 2026 12:53 IST

    Problematics | The next World Cup

    Representational image.
    editors pick
    Updated on Jul 20, 2026 07:57 IST

    Problematics | Cycling to college

    Representational image.
    editors pick
    Updated on Jul 13, 2026 07:12 IST

    Problematics | More sticks for the taking

    Problematics
    editors pick
    Updated on Jul 6, 2026 03:26 IST

    Problematics | The business of school

    Welcome to Problematics!
    editors pick
    Updated on Jun 29, 2026 04:49 IST

    Problematics | Pick up sticks

    I had long been planning to use the game’s strategy as fodder for a puzzle. And the ideal time is now, the 200th week of Problematics.
    editors pick
    Updated on Jun 22, 2026 12:57 IST

    Problematics | Fans of Pele and Maradona

    Welcome to Problematics!
    editors pick
    Updated on Jun 15, 2026 01:09 IST
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