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CIRCADIAN RHYTHM LIGHT EMISSION
Japanese researchers in 2009 placed five men individually inside a dark room and captured a faint glow from their bodies, 1,000 times too weak for human eyes to see; but strangely, the invisible light wasn't constant: it grew stronger through the day and peaked around 4 p.m.Japanese researchers discovered the human body emits ultraweak light. This faint glow is invisible to the naked human eye. The emission int...- In 2006, Portland converted 45,000 streetlights to LEDs. 20 years later, its streetlights and signals use 66% less energy and save the city $1.5 million every yearTwo decades after 2006, Portland’s lighting story offers a useful lesson for cities considering their own energy transitions. The important...
- In 1987, Bion 8 carried monkeys Yerosha and Dryoma for 13 days; Yerosha escaped part of his restraints before the capsule landed 1,850 miles off targetThe Soviet Bion program studied weightlessness effects using rhesus macaques. Bion 8 launched in 1987 with two monkeys, Yerosha and Dryoma....
- In 2023, Rice researchers flashed mixed waste plastic for about 4 seconds at 3,100 K; the process recovered up to 68% of its hydrogen at purities reaching 94% and produced grapheneA group of researchers has pioneered a groundbreaking technique that transforms landfill plastic into hydrogen gas, a valuable energy sourc...
- In 1905, Einstein unlocked a mystery of light that seemed almost impossible, unknowingly laying the foundation for smartphone cameras, solar panels, burglar alarms and technologies yet to comeAlbert Einstein explained the photoelectric effect in 1905. This interaction of light and matter powers many modern devices. His theory rev...
- Psychology says people who recognize friends by their footsteps may have highly tuned social memoryRecognizing a friend by the sound of their footsteps is a small example of a broader psychological ability: the brain can build detailed re...
- In a 2025 study, Penn State researchers tested porous PMMA sheets that reflected 96.4% of sunlight; a test box stayed 14.7°F cooler than the outdoor airInnovative researchers have crafted a groundbreaking porous plastic sheet that cools without any electrical input. By reflecting sunlight a...
- 8-hour sleep rule is old and ‘too simple’, research says. Find out how much sleep do humans actually needThe popular eight-hour sleep rule may not be a fixed requirement for every adult, according to recent research. Studies of pre-industrial s...
- In 1997, NASA sent 64 desert beetles to Russia’s Mir space station with tiny wheels tracking their every movement; their movements helped scientists understand how light regulates biological clocks in microgravityNASA sent black desert beetles into space aboard the Space Shuttle Atlantis in 1997. These insects lived on the Russian Mir space station f...
- Psychology says people who sleep with interesting and beautiful lights switched on at night aren't just keeping the lights on for decoration: What the habit may mean?Psychology says people who sleep with interesting and beautiful lights switched on at night aren't necessarily afraid of the dark. The habi...
- Psychology says people who prefer working night shifts may be following their natural body clockPeople who prefer night shifts are not necessarily antisocial, unmotivated or unconventional. They may simply have anevening chronotype, fe...
- Horoscope Today, August 27, 2026: Full Moon Energy Brings Clarity, Closure & Important RealisationsAccording to the traditional Vedic astrological interpretation for Thursday, August 27, 2026, today's message centers on a powerful princip...
- In 2000, Sandia used a 416-nanometer cheesecloth-like crystal to bend infrared light with little loss. 26 years later, the approach still guides research into faster, cooler photonic chipsSandia researchers developed a tiny structure guiding infrared light with minimal loss. This artificial crystal, made from gallium arsenide...
- From payasam to Vallam Kali: Anand Mahindra shares his Onam memory from Ooty that taught him a lesson in unityAnand Mahindra took to X to recall his Onam memories from his boarding-school days in Ooty, where he eagerly awaited the Sadhya and especia...
- In 1997, Sandia won $393,000 to make fingerprints and other organic evidence blink under flashing light. Decades later, the idea remains an example of using fluorescence to find hidden cluesIn 1997, Sandia National Laboratories secured $393,000 to solve background glare on physical crime scene evidence. By modulating light at h...
- Psychology says people who bounce their feet to music without realizing it may be responding to rhythmic alignmentBouncing your foot to music without consciously noticing it does not necessarily reveal anything unusual about your personality. It may sim...
- Delhi-NCR vehicle owners alert: No new petrol, diesel or CNG LGVs below 3,500 kg from 2027; more models to come under new curb from 2028. Check who will be affectedDelhi-NCR regulations will mandate electric light goods vehicles from 2027. Only electric N1 light goods vehicles will be allowed to be reg...
- Awarapan 2 actor Emraan Hashmi lives in Rs 16 crore Bandra home with minimalist interiors, earthy tones, wooden furniture, a spacious library, workout area and a balcony offering sweeping city viewsEmraan Hashmi's Mumbai residence showcases how interiors influence feelings and focus. Neutral colors like white and beige create a groundi...
- On the ISS, astronauts see 16 sunrises every day as the station circles Earth, but their bodies refuse to follow the 90-minute cycle, forcing crews to stick to a familiar 24-hour routine despite living through multiple days and nightsAstronauts on the International Space Station experience sixteen sunrises daily. They follow a strict twenty-four-hour schedule, ignoring t...
- In 1989, scientists demonstrated that carefully timed bright light can reset the body's biological clock. Years later, it produced breakthroughs in treating jet lag, insomnia, shift-work disorder and disrupted sleepIn 1989, scientists proved bright light therapy resets your biological clock. It changed sleep medicine overnight. Timed light exposure shu...
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