You might think so — but the answer is not always. Smartphones use lithium-ion batteries. This battery works by moving lithium ions back and forth between two electrodes through a liquid electrolyte. In colder weather, like in North India during the winter, the electrolyte becomes less conductive and the lithium ions move more sluggishly. The...
Tag: Science
Do phone batteries last longer when it’s cooler outside?
Dolly, the sheep that stands as an icon for cloning
Have you ever encountered clones? In case you wish to jump the gun and answer in the negative, it might be prudent to think a wee bit longer. This is because the concept of cloning is intertwined with something that occurs naturally. With that clue, you might have deduced that the closest we have to...
Daily Quiz | On Albert Einstein’s June 30, 1905 paper
Ketan Agarwal death case: What is gait analysis? | Explained
The story so far: A Pune court has extended the custody of Siya Goyal and Chetan Chaudhary, the two accused in the Ketan Agarwal murder case, until July 3, 2026. The court acquiesced to the investigators, who said several aspects of the probe are ongoing, including a forensic study of Mr. Chaudhary’s gait. According to...
NASA robot mission aiming to rescue space telescope
NASA on Tuesday (June 30, 2026) is set to launch a daring robotic rescue mission, a long shot bid to prevent one of its aging telescopes from vanishing into dust. If successful, the effort could pave the way for giving other satellites a second life. The operation is set to last several months, kicking off...
Do animals understand death? Scientists are asking cockatoos for answers
One day in 2025, Jane perched facing a computer screen. The screen’s top half displayed a black circle on a magenta background. The bottom half had a black arrow on white. After what appeared to be a moment of deliberation, Jane extended her neck and touched the circle. Small pellets of food appeared in the...
It’s a bad idea to scratch bug bites, research says
A lot of things can cause itchiness, sometimes serious diseases. Whatever the cause, doctors have long warned that scratching too much can damage the skin. Now researchers better understand why even a mildly annoying itch could put you on an itch-and-scratch cycle if you give in. How did they find out? In part by putting...
Science Snapshots: June 28, 2026
Technique tests TB drugs’ effectiveness in just 50 hours Scientists have developed a faster way to test for drug resistance in the bacteria that cause tuberculosis. Traditional phenotypic tests have to wait for the bacteria to multiply over four to eight weeks. The new way, called Raman-DIP, uses single-cell imaging to track how cells process...
NASA rover detects potential signs of ancient life on Mars
In a new study in Science Advances, an international team of researchers has reported finding organic matter on Mars. Using the NASA Perseverance rover, the team recorded a distribution of complex organic carbon within an ancient river valley on the red planet’s Jezero Crater. Using the rover’s SHERLOC instrument, the researchers detected a complex and...
