Health
What heat actually does inside the body — and why the salt matters as much as the water
Blood vessels open, blood pressure drops, the heart works harder. Sweating costs you fluid and salt, and it is the balance between them…
Tech BD
World
India used to call it “dog fruit”. Then a Bollywood star mentioned it and prices doubled overnight
Fifteen years ago ripe avocados fell off Indian trees and were eaten by dogs. A grower in Kerala who planted them only as shade for coffee…
Health
Meningitis can kill within hours. The glass test is the last sign, not the first
Most people know to press a glass against a rash. Far fewer know that the rash is a late sign and may never appear at all. Here is what…
Technology
The robot that replaced the ducks — and the quiet agronomy that decides whether it works anywhere else
It does not kill weeds. It clouds the water so they cannot get light, which is why the method needs a flooded field at a precise depth and…
Health
Chasing the perfect night’s sleep is now a recognised way of ruining it
Sleep scores, magnesium, white noise machines. Doctors say patients are arriving with tracker data convinced they have a disorder they do…
World
Half of Gen Z do not expect a state pension to exist when they retire
Joel is in his early twenties and putting extra money into his workplace pension — not to retire early, but because he does not believe the…
Technology
Two hours a day, nothing after midnight: Meta’s teen limits — and why the age check decides whether any of it works
The time caps will get the headlines. The feed change matters more, and the age-verification piece matters most, because a limit only…
Technology
A late-August build guide for Dhaka at three budgets — and the one idea that decides where every taka should go
A component is only worth paying for if it is the part currently holding the machine back. That single idea sorts every build, and it is…
Technology
Bezos on stress: it comes from not acting — the research agrees, and adds the one detail that makes the advice work
Deciding to act changes little. Deciding what you will do, where and when, changes a great deal — which is the difference between advice…
Technology
Three bronzes in Astana — what a six-hour machine-learning exam actually tests, and the one resource this olympiad needs that maths never did
No medals in 2024, two bronzes in 2025, three in 2026. The contest rewards experimental discipline rather than cleverness — and unlike…
Technology
SSDs up again in Dhaka, by up to Tk 2,000 — why storage keeps rising when memory does not
Flash and memory are made by overlapping companies and move on different cycles. This year they moved in opposite directions, and the…
Technology
Hega launches sensor lights with an 80% saving claim — the arithmetic that makes it true in a stairwell and false in a living room
Sensor lighting saves energy exactly one way: by not being on when nobody is there. Work the sum and the claim is conservative for some…