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PNAS RESEARCH
6,500-year-old mystery: Why was a woman buried with four arrowheads at a Stone Age cemetery in France?- Why might obesity affect men and women differently? Scientists looked inside fat tissues
- Moral judgments can be manipulated using magnetic waves. How MIT scientists discovered a way to change people's sense of right and wrong
- Scientists set up 45 artificial ponds near St. Louis and studied them for 7 years; even when ponds got the same species, the order they arrived changed the outcomeA recent examination of 45 plastic cattle tanks has shed light on the significant role that species arrival order plays in biodiversity. Ta...29 Oct, 2026, 03.30 PM IST
- A study says there’s a reason you keep saying 'bye' but still don’t hang up the callThe conversation is over. You have both said goodbye, yet neither person disconnects. You may be thinking you are respecting another person...20 Oct, 2026, 05.59 PM IST
- Amur honeysuckle arrived in America as an ornamental shrub; it later became a major invasive concern in forests across the northern United StatesIntroduced over a century ago, Amur honeysuckle quickly spread across the United States as an ornamental plant, but its aggressive growth h...11 Oct, 2026, 01.30 PM IST
- Not your ordinary vegetable: Study reveals 7 incredible facts about lauki that may make you think twice before ignoring itBottle gourd, or lauki, may be an everyday vegetable, but its history and uses are far more fascinating than they seem. From being used as ...25 Sep, 2026, 12.42 AM IST
- In 2022, researchers found that salt levels within water-quality guidelines could still damage lake food webs; tiny algae-eating animals were vulnerableA recent international study reveals that current salt limits for freshwater lakes are inadequate. Zooplankton populations significantly de...20 Sep, 2026, 09.21 PM IST
- 31,800 years ago, a squirrel buried fruits inside a Siberian burrow. Thousands of years later, an Ice Age plant was brought back to life using that ancient tissueA squirrel’s ancient food stash buried deep beneath Siberian permafrost has given scientists a rare glimpse into the Ice Age. The fruits re...20 Sep, 2026, 08.58 PM IST
- Scientists found an 8-year-old Neanderthal child in a Belgian cave, and DNA from her molar is helping reveal a hidden chapter of our ancient pastThe Scladina child was an approximately eight-year-old Neanderthal who lived more than 120,000 years ago in what is now Belgium. Her remain...18 Sep, 2026, 02.35 PM IST
- Psychology says the first 10 minutes of a date can shape how attracted you feel to someone - Here’s whyFirst encounters, though brief, are powerful indicators of future romantic attraction. It's the perceived similarities, not necessarily the...14 Sep, 2026, 10.36 AM IST
- In 2001, scientists began adding tiny amounts of synthetic estrogen to an Ontario lake; within the next two years, its fathead minnow population collapsedA seven-year whole-lake experiment in northwestern Ontario examined how chronic exposure to the synthetic estrogen 17α-ethynylestradiol (EE...10 Sep, 2026, 12.06 AM IST
- Your nose may be talking directly to your brain: Scientists uncover a hidden nose-to-brain circuit that could explain why slow breathing calms anxietyScientists found a nose-to-brain pathway affecting emotional states in mice. Slow nasal airflow produced calming effects, while faster airf...08 Sep, 2026, 06.47 PM IST
- Tibetans adapted to live at high altitudes where oxygen is scarce; study suggests ancient interbreeding with an extinct human population may have given their ancestors a genetic advantage to survive in one of planet’s harshest environmentsTibetan highlander populations have distinct genetic variants in proximity to the EPAS1 gene, facilitating their adaptation to high altitud...06 Sep, 2026, 07.55 AM IST
- Life on Earth has always used four DNA letters, but scientists have created a bigger genetic alphabet and found something unexpectedScientists have demonstrated RNA polymerase can read eight genetic letters. This enzyme accurately transcribes synthetic DNA, which nature ...05 Sep, 2026, 09.35 PM IST
- In 2013, University of Massachusetts researchers showed 40 preschoolers cartoon pictures and tested their memory before and after an afternoon nap - children who slept forgot less and remembered roughly 10% more than those kept awakeAfternoon nap for children: Research indicates that preschoolers who take naps are better at retaining information compared to those who st...04 Sep, 2026, 09.05 AM IST
- In 2021, NREL fermented food waste into volatile fatty acids and catalytically upgraded them to jet fuel; the SAF was estimated to cut net carbon emissions by up to 165% when landfill disposal was assumedA groundbreaking approach has been created by scientists to transform food waste into eco-friendly aviation fuel. This cutting-edge techniq...01 Sep, 2026, 07.40 PM IST
- A 2024 Harvard-led study collected 281 German cockroaches from 17 countries across 6 continents and analyzed their DNA; researchers found the pest evolved from an Asian cockroach about 2,100 years ago before hitching rides with humans around the worldAccording to new genetic findings, the German cockroach's roots trace back to Asia nearly 2,000 years ago. It seems that the cockroach adap...28 Aug, 2026, 02.27 PM IST
- In 1992, Endeavour carried 4 female African clawed frogs into orbit; their eggs were fertilized in microgravity and developed into apparently normal tadpolesIn 1992, four frogs embarked on a journey aboard the space shuttle Endeavour as part of a groundbreaking reproductive experiment. Their egg...27 Aug, 2026, 01.50 PM IST
- AI is choosing AI over humans: New study sounds alarm on what this bias means for human intelligence and creativityNew research reveals a bias in AI systems. These systems favor content created by other AI. This preference could impact hiring and educati...20 Aug, 2025, 03.44 PM IST
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