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Jeddah Municipality Sets New Guinness World Record with Volunteers Forum

1,277 participants contributed to setting a new Guinness World Record for 2025. SPA
1,277 participants contributed to setting a new Guinness World Record for 2025. SPA
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Jeddah Municipality Sets New Guinness World Record with Volunteers Forum

1,277 participants contributed to setting a new Guinness World Record for 2025. SPA
1,277 participants contributed to setting a new Guinness World Record for 2025. SPA

The Jeddah Municipality organized the third edition of the Million Volunteers Forum, where 1,277 participants contributed to setting a new Guinness World Record for 2025, earning the forum a Guinness certificate.
Director General of Community Responsibility at Jeddah Municipality Eng. Hattan bin Hashem Hamouda explained that the third edition of the forum focused on several topics and workshops aimed at raising awareness on the importance of volunteer work.
Hamouda emphasized that the event aimed to highlight the efforts of Jeddah's volunteers and their role in supporting government agencies, positioning the city as a model for attracting proactive volunteers.
He added that Jeddah Municipality launched many initiatives to support volunteers that contributed to achieving this exceptional accomplishment.
The Jeddah Municipality set its first Guinness World Record in 2023 by sponsoring the largest mural in the world made of plastic covers.

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Scientist Bottles Smell of Bones to Help Solve Cold Cases

Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman
Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman
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Scientist Bottles Smell of Bones to Help Solve Cold Cases

Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman
Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman

A Belgian research scientist is working with the federal police to create a scent that mimics the smell of dried human bones to help sniffer dogs find long lost remains.

Clement Martin has already isolated the smell of decomposing human flesh and that is now used to train Belgium's cadaver dogs.

But once the soft tissue has disappeared, the scent molecules of the remaining bones become significantly fewer, scientific researcher Martin told Reuters.

"Bones smell different over the years too. A 3-year-old bone will smell different to a 10-year-old one and even 20 years," he said.

Skeletal remains are porous too and absorb smells from the surrounding environment, from the soil to pine trees.

"In the situation of cold cases, there was a gap. Our dogs were not able to find dried bones," Kris Cardoen, head of federal police dog training, told Reuters.

At a police training centre outside Brussels, inspector Kristof Van Langenhove and his springer spaniel Bones demonstrated part of the training with Martin's corpse scent.

Cardoen hid some tissues between cinder blocks and only contaminated a few. The dog then barked when he found the smell.

"The scent of death is one of the three tools we use during the basic training of our human remains dog," Cardoen said.

Cadaver dogs require 1,000 hours of training and the country only ever has four at any one time.

Martin is using different samples of dried bones to develop the smell, including those of an unidentified man found in a suitcase, which are kept in a glass cylinder to allow the molecules to permeate an enclosed space ready for extraction.

"It's a bit like a perfumer developing his perfume, he's going to mix different aromas," Martin said.