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Editors Pick


Prized Science | Understanding autoimmune disorders; computer’s solution-finding

Updated on Sep 30, 2023 09:40 AM IST

Read about Dipyaman Ganguly’s study on autoimmune disorders, and Neeraj Kayal’s work on transforming a philosophical problem into a mathematical one

Dipyaman Ganguly, principal scientist at CSIR-Indian Institute of Chemical Biology

Prized Science | Every drop counts, and making quality medicine

Read about Vimal Mishra’s attempt to quantify changes in water resources, and Akkattu T Biju’s work to improve the quality of pharmaceutical molecules

Vimal Mishra, Vikram Sarabhai Professor of civil engineering at IIT Gandhinagar
Published on Sep 29, 2023 10:12 AM IST

Prized Science | Exploring the leagues under the sea; Seeking the right equation

Read about Rajnish Kumar's study on extracting methane from hydrates and Apoorva Khare’s efforts to connect branches of mathematics, like algebra and analysis

Rajnish Kumar, professor of chemical engineering at IIT Madras
Published on Sep 28, 2023 09:23 AM IST

Prized Science | Holy Grail of bacteria; Unmasking the mysterious dark matter

Read about Ashwani Kumar's research on biofilms in TB drug resistance, and Basudeb Dasgupta's research in the interface of astrophysics and particle physics

Ashwani Kumar, senior principal scientist at CSIR-Institute of Microbial Technology, Chandigarh
Updated on Sep 27, 2023 11:20 AM IST

Prized Science | On faster access to molecules, and quake-resistant buildings

Read about Debabrata Mati's methods leading to valuable molecules and Dipti Ranjan Sahoo's devices and designs to protect buildings hit by earthquakes

Debabrata Maiti, Professor of Chemistry at IIT Mumbai
Published on Sep 26, 2023 09:41 AM IST

Problematics | Random walks with a point in common

A puzzle seemingly impossible to solve, but in fact deceptively simple. Can you solve it without using mathematics?

Welcome to Problematics!(Shutterstock)
Published on Sep 25, 2023 05:07 PM IST

Prized Science | Decoding protein ‘interactions’, a hunt for elusive particles

Read about Shanti Swarup Bhatnagar awardees: Maddika Subba Reddy’s research on how proteins behave in cells and Anindya Das’ search for subatomic particles

Dr Maddika Subba Reddy, a cell biologist with the Centre for DNA Fingerprinting and Diagnostics, Hyderabad
Published on Sep 25, 2023 04:52 PM IST

Problematics | The rate of sending and cancelling an invitation

Are there enough equations to determine the variables? You may need to think out of the box to solve this puzzle, partly inspired by a 150-year-old classic.

Welcome to Problematics!(Shutterstock)
Published on Sep 18, 2023 02:32 PM IST

Weird Science | The science of lightning

While the exact mechanism of how lightning is created is still a subject of research, one thing's for certain. It can get deadly

Lightning kills an estimated 2500 people in India every year.(Representative Photo)(HT_PRINT)
Updated on Sep 13, 2023 09:20 PM IST

Problematics | Board games with 3 dice and chess pieces

Here's party trick first described in 1612, played with dice. Based on how the spots ate configured on standard dice, can you figure out why the trick works?

Welcome to Problematics!(Shutterstock)
Updated on Sep 11, 2023 12:45 PM IST

Going nuclear about Fukushima's waste

When it comes to radioactive material, can we ever be safe? Science gives a cautious nod, but Japan's detractors don't want a discharge into the Pacific ocean

Demonstrators hold signs reading
Published on Sep 08, 2023 06:55 PM IST

Problematics | 400m contests away from the champions

Given the times when two runners meet and cross each other along a track, can you work out their respective speeds?

Welcome to Problematics!(Shutterstock)
Published on Sep 04, 2023 01:10 PM IST

Delhi University Opens Upgrade Window for DU UG Sports Supernumerary Quota Round 2

University of Delhi opens the window for upgrades on September 2-3. Results of DU UG sports supernumerary quota round 2 on September 4.

Delhi University Opens Upgrade Window for DU UG Sports Supernumerary Quota Round 2
Published on Sep 02, 2023 06:58 PM IST

Problematics | Birthday celebrations with kings and queens

Which Kings and Queens face left, which face right? Which Jacks are seen in profile? One year since Problematics began, puzzles on the court cards and Wordle

Welcome to Problematics!(Shutterstock)
Updated on Aug 28, 2023 12:15 PM IST

Weird Science | How the Moon has fascinated humanity

Vikram's landing on the Moon's south pole is just one of many firsts, as mysteries about the Moon's formation remain

Ancient humans used the Moon as a calendar system, secure in the knowledge that it follows a regular orbit around our planet(Pixabay)
Updated on Aug 24, 2023 10:07 AM IST

Problematics | When MI fans met Barbenheimer

Who is watching Barbie, Oppenheimer or MI-7? Who's the Nolan fan and who likes Tom Cruise?

Welcome to Problematics!(Shutterstock)
Updated on Aug 21, 2023 01:06 PM IST

Problematics | The weight of medals in a sporting event

Six identical medals are distinguishable by their colours, but three are heavier than the others. Can you determine which one is which with just two weighings?

Welcome to Problematics!(Shutterstock)
Published on Aug 14, 2023 12:50 PM IST

Problematics | Meet Gabbar Singh, probability theorist

How likely are Gabbar Singh's men to survive his partly loaded revolver? A mathematical perspective

Welcome to Problematics!(Shutterstock)
Published on Aug 07, 2023 12:42 PM IST

Problematics | What to wear to be allowed into a club

A club spells out who is allowed in; can you figure out who isn’t? There’s also a fun pun this week

Welcome to Problematics!(Shutterstock)
Published on Jul 31, 2023 12:57 PM IST

Problematics | When two people share the same birthday

How many people must you select at random before the probability of two or more common birthdays crosses 50%

Welcome to Problematics!(Shutterstock)
Published on Jul 24, 2023 02:32 PM IST

Problematics | Crossing the desert without enough fuel

A puzzle in which you make a long trip across forbidding terrain, but will need more supplies than you can possibly carry.

Welcome to Problematics!(Shutterstock)
Published on Jul 17, 2023 12:07 AM IST

Problematics | How to bring equality to two unequal piles

Another party trick with playing cards, and a set of movie anagrams. Which one do you find easier?

Welcome to Problematics!(Shutterstock)
Published on Jul 10, 2023 01:14 PM IST

Weird Science | Why our fingers and toes wrinkle when wet

The reason why toes wrinkle is still not fully understood, but it may be related to walking on slippery surfaces like stones in rivers.

A baby's wrinkled finger after a warm bath(Pixabay/Fir0002/Flagstaffotos)
Published on Jul 06, 2023 08:33 PM IST

Problematics | The rate of eating a growing food course

The grass keeps growing on a field as cows keep eating it. How many cows can finish it all up in how many days?

Welcome to Problematics!(Shutterstock)
Published on Jul 03, 2023 04:27 PM IST

Goodenough’s great contribution: The Li-ion battery

The 2019 Nobel prize winners, Goodenough, Whittingham, and Yoshino's breakthroughs powered the mobile electronics revolution and electric vehicle transition

John Goodenough(Wikimedia)
Published on Jun 29, 2023 03:48 PM IST

Problematics | How to use candles as your timekeeper

The line between a textbook sum and a ‘puzzle’ is not always clear. Here’s an example that may straddle both words.

Welcome to Problematics!(Shutterstock)
Updated on Jun 26, 2023 04:10 PM IST

Weird Science | The long and short of an elephant’s trunk

It’s one of the most versatile organs among all mammals exhibiting a rare combination of immense strength and dexterity and holds great inspiration for robotics

An elephant trunk, folded on the upper side and wrinkled on the underside, contains 120,000 muscles(Georgia Tech)
Published on Jun 23, 2023 11:18 AM IST

Problematics | Games of deduction before Wordle came

As in Wordle, you use test words to deduce a secret word. What's the hidden word in the example below?

Welcome to Problematics!(Shutterstock)
Published on Jun 19, 2023 04:14 PM IST

Problematics | The who’s who of dogs and humans in the park

Who owns the pug and who owns the mastiff? How old is the dog whose owner is 86 years old? Try this Einstein puzzle

Welcome to Problematics!(Shutterstock)
Published on Jun 12, 2023 02:16 PM IST

WEIRD SCIENCE: Yes, AI can read your mind (a little bit)

For one, it depends on how we train AI to associate a thought with the electrical activity that the thought generates. Two, your consent is everything

To go to the very basics, what is the “mind”?(Puneet Verma/HT)
Published on Jun 06, 2023 08:07 PM IST
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