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India Uses AI to Stop Stampedes at World's Biggest Gathering

As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP
As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP
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India Uses AI to Stop Stampedes at World's Biggest Gathering

As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP
As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP

Keen to improve India's abysmal crowd management record at large-scale religious events, organizers of the world's largest human gathering are using artificial intelligence to try to prevent stampedes.
Organizers predict up to 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing that began Monday and runs for six weeks.
Deadly crowd crushes are a notorious feature of Indian religious festivals, and the Kumbh Mela, with its unfathomable throngs of devotees, has a grim track record of stampedes.
"We want everyone to go back home happily after having fulfilled their spiritual duties," Amit Kumar, a senior police officer heading tech operations in the festival, told AFP.
"AI is helping us avoid reaching that critical mass in sensitive places."
More than 400 people died after being trampled or drowned at the Kumbh Mela on a single day of the festival in 1954, one of the largest tolls in a crowd-related disaster globally.
Another 36 people were crushed to death in 2013, the last time the festival was staged in the northern city of Prayagraj.
But this time, authorities say the technology they have deployed will help them gather accurate estimates of crowd sizes, allowing them to be better prepared for potential trouble.
Police say they have installed around 300 cameras at the festival site and on roads leading to the sprawling encampment, mounted on poles and a fleet of overhead drones.
Not far from the spiritual center of the festival at the confluence of the Ganges and Yamuna rivers, the network is overseen in a glass-panelled command and control room by a small army of police officers and technicians.
"We can look at the entire Kumbh Mela from here," said Kumar. "There are camera angles where we cannot even see complete bodies and we have to count using heads or torsos."
Kumar said the footage fed into an AI algorithm that gives its handlers an overall estimate of a crowd stretching for miles in every direction, cross-checked against data from railways and bus operators.
"We are using AI to track people flow, crowd density at various inlets, adding them up and then interpolating from there," he added.
The system sounds the alarm if sections of the crowd get so concentrated that they pose a safety threat.
'Makes us feel safe'
The Kumbh Mela is rooted in Hindu mythology, a battle between deities and demons for control of a pitcher containing the nectar of immortality.
Organizers say the scale of this year's festival is that of a temporary country -- with numbers expected to total around the combined populations of the United States and Canada.
Some six million devotees took a dip in the river on the first morning of the festival, according to official estimates.
With a congregation that size, Kumar said that some degree of crowd crush is inevitable.
"The personal bubble of an individual is quite big in the West," said Kumar, explaining how the critical threshold at which AI crowd control systems ring the alarm is higher than in other countries using similar crowd management systems.
"The standard there is three people per square foot," he added. "But we can afford to go several times higher than that."
Organizers have been eager to tout the technological advancements of this year's edition of the Kumbh Mela and their attendant benefits for visitors.
Uttar Pradesh chief minister Yogi Adityanath, a devout Hindu monk whose government is responsible for organizing the festival, has described it as an event "at the confluence of faith and modernity".
"The fact that there are cameras and drones makes us feel safe," 28-year-old automotive engineer Harshit Joshi, one of the millions of visitors to arrive for the start of the festival, told AFP.

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Best Time to Take Vitamin D for Muscle Strength

Vitamin D tablets (file photo – AP)
Vitamin D tablets (file photo – AP)
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Best Time to Take Vitamin D for Muscle Strength

Vitamin D tablets (file photo – AP)
Vitamin D tablets (file photo – AP)

Vitamin D is an essential nutrient that plays a central role in both bone and muscle health.

With growing interest in dietary supplements, a key question arises: what is the best time to take vitamin D to support muscle strength?

This article reviews the latest scientific evidence on vitamin D timing and its impact on muscle health, offering practical recommendations based on recent research.

The optimal time to take vitamin D is with or after a meal that contains fat- preferably in the morning or at lunchtime. Taking it with food enhances absorption, supporting bone health and contributing more effectively to muscle strength. It is also advisable to take it at the same time each day for best results.

How Vitamin D Works in Muscles

Vitamin D is a fat-soluble vitamin, meaning its absorption in the intestine depends heavily on dietary fat. When taken with a fat-containing meal, micelles form, facilitating its transport across the intestinal wall into the bloodstream. It then reaches muscle cells, where it helps promote muscle protein synthesis and improve muscle fiber function.

Scientific Evidence on Timing

A randomized controlled trial published in Nutrients (2022) found that taking a combination of whey protein and vitamin D3 either before sleep or after waking led to beneficial increases in muscle mass in young men undergoing resistance training.

Importantly, no statistically significant differences were found between the groups in terms of muscle gains, suggesting that vitamin D’s benefits for muscle health are not dependent on a specific time of day, but rather on consistent intake.

Effects on Sleep and Melatonin

Some research indicates a link between vitamin D levels and sleep quality, with low levels associated with a higher risk of sleep disorders.

Certain recommendations suggest that taking vitamin D in the evening may interfere with melatonin production—the hormone that regulates the sleep-wake cycle. For this reason, experts generally recommend taking vitamin D in the morning or at midday to avoid potential sleep disruption.

Vitamin D and Athletic Performance

A systematic review published in the Journal of Human Sport and Exercise (2025), analyzing 13 studies on vitamin D and athletic performance, found:

  • Vitamin D supplementation consistently increases blood levels in athletes
  • Noticeable improvements in performance among those initially deficient
  • Mixed effects on muscle recovery and blood markers across studies
  • Seasonal fluctuations in vitamin D levels highlight the importance of supplementation timing

Taking vitamin D with main meals and maintaining daily consistency are key to maximizing its benefits for muscle health. Consulting a healthcare provider is recommended to determine the appropriate dosage based on individual health status and blood levels.

Varieties

Taif Rose Harvest Season Produces over 550 Million Roses

Rose farms are spread across the highlands of Al-Hada and Al-Shafa - SPA
Rose farms are spread across the highlands of Al-Hada and Al-Shafa - SPA
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Taif Rose Harvest Season Produces over 550 Million Roses

Rose farms are spread across the highlands of Al-Hada and Al-Shafa - SPA
Rose farms are spread across the highlands of Al-Hada and Al-Shafa - SPA

Taif rose farms are witnessing a notable abundance of production during the current harvest season, amid favorable climatic conditions that have contributed to improved crop quality and increased quantities. Taif Governorate is home to more than 910 farms, comprising around 1.14 million rose shrubs, which produce approximately 550 million roses annually during a season lasting around 45 days.

Rose farms are spread across the highlands of Al-Hada and Al-Shafa, between the slopes of the Sarawat Mountains, in a natural setting characterized by moderate temperatures and abundant water, with fertile valleys that create an ideal environment for Taif roses, SPA reported.

Farmer Khalaf Jaber Al Tuwairqi stated that moderate weather and the availability of irrigation sources contributed to increased flower density and quality this season, thereby positively impacting harvesting and production. He noted that farms produce thousands of roses daily during peak periods, with around 12,000 roses required to produce one unit of rose oil, one of the world's most precious aromatic oils.

Tourism guide Abdullah Al Zahrani affirmed that the abundant rose production has boosted tourism activity in Taif, as rose farms in Al-Hada and Al-Shafa attract growing numbers of visitors during the harvest season to witness harvesting and distillation stages and learn about this traditional craft that forms part of the governorate's agricultural identity.

Varieties

Artemis Astronauts to Study the Moon’s Surface Using Mainly Their Eyes

This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)
This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)
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Artemis Astronauts to Study the Moon’s Surface Using Mainly Their Eyes

This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)
This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)

More than 50 years after humans first flew around the Moon, Artemis astronauts will repeat the feat on Monday and use the most basic instrument to study it: their eyes.

Despite the technological advancements since the Apollo missions, NASA still relies on the eyesight of its astronauts to learn more about the Moon.

"The human eye is basically the best camera that could ever or will ever exist," Kelsey Young, the lead scientist for the Artemis 2 mission, told AFP.

"The number of receptors in the human eye far outweighs what a camera is able to do."

Although modern cameras may be superior to human eyesight in some respects, "the human eye is really good at color, and it's really good at context, and it's also really good at photometric observations," Young said.

Humans can understand how lighting changes surface details, like how angled lighting reveals texture but reduces visible color.

In just the blink of an eye, humans can detect a subtle color shift and understand how lighting changes the contours of a landscape like the Moon's surface, details which are scientifically useful but difficult to ascertain from photos or videos.

Artemis 2 astronaut Victor Glover, who pilots the Orion spacecraft, said before liftoff this week that eyes were a "magical instrument."

- Field scientists -

To ensure they made the most of their proximity to the Moon, the four Artemis 2 crew members underwent more than two years of training.

Young said the goal was to turn the astronauts into "field scientists" via a combination of classroom lessons, geological expeditions to Iceland and Canada, and multiple simulated flybys of the Moon, just like the mission they are on.

The three American astronauts -- commander Reid Wiseman, pilot Glover and mission specialist Christina Koch -- along with Canadian astronaut Jeremy Hansen, all had to memorize the Moon's "Big 15," or the 15 features of the Moon that will allow them to orient themselves.

Using an inflatable Moon globe, they practiced seeing how the angle of the sun changed the colors and textures of the lunar surface, honing their observation and note-taking skills for the big moment.

"I can tell you, they are excited and they are ready," Young said with a smile.

- 'About the size of a basketball' -

The Artemis astronauts' mission is to study certain lunar sites and phenomena as part of 10 objectives chosen by NASA and ranked in priority order based on scientific interest.

During the Moon flyby, which will last for several hours, the crew will have to observe the celestial body with their naked eyes, along with cameras they have on board.

Noah Petro, head of NASA's planetary geology lab, told AFP that the Moon will look to the astronauts "about the size of a basketball held at arm's length."

"The question I'm most interested in is, are they going to be able to see color on the lunar surface," Petro said.

"I don't mean rainbow colors, but you know, dark browns or tan colors because that tells us something about the composition, and that tells us something about the history of the Moon."

David Kring of the Lunar and Planetary Institute told AFP he is not expecting any earth-shattering discoveries because of the multiple lunar probes and high-resolution images of the Moon taken since the Apollo missions.

Nevertheless, "having astronauts describing what they're seeing... That is an occurrence that at least two generations of people on Earth have never heard before," he said.

The Artemis 2 flyby will be broadcast live by NASA, save for a period for when the spacecraft is behind the moon.

"Just listening to their practice descriptions in the mission simulations... It brings chills up my arms," Young said.

"I am absolutely confident that these four people are going to deliver some incredible descriptions."