On the day MPs have been discussing a plan for a blanket ban on legal highs, Calendar can reveal that more than half of 18 to 24 year olds have taken them.
In the second of our special reports on the substances being openly sold online and on our high streets, Grace Melody-Gardner spoke to a mother whose son's curiosity put his life in danger.
Emergency services and trading standards in Lincolnshire say they are extremely concerned about a huge rise in the number of cases involving so-called legal highs being reported to police.
From 2012 to 2013 the number of incidents reported to the Force went up by more than 600 per cent. Raids have now been carried out on shops selling the substances.
Grace Melody-Gardner reports:
The number of incidents involving so-called legal highs in Lincolnshire has increased by more than six hundred percent over a 12 month period.
Calendar has seen figures showing the rise - which emergency services and trading standards have expressed concern over.
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The conclusion of a two-year, £34 million project to create a self-powered sewage works in Bradford was marked with a grand opening today.
Yorkshire Water’s Esholt site will become the company’s first entirely ‘poo-powered’ site thanks to one of the UK’s only operational BioThelys Sludge Treatment Plants.
The technology creates enough renewable energy to power the 750-acre site by generating biogas from the 30,000 tonnes of sludge that comes through the site each year.
Yorkshire Water says it will reduce their carbon footprint by 9,000 tonnes a year.
The process also creates a product which can be used as a fertiliser by local farmers.
It's the second day of a unique festival of science, arts and heritage events in Lincolnshire which celebrates the famous Sir Isaac Newton.Read the full story ›
The Gravity Fields festival is underway in Grantham, celebrating physicist Isaac Newton who was educated in the town.
The festival takes place every two years and has scientific displays, exhibitions and you might even bump in to Mr. Newton himself...or at least, a lookalike.
Hi-tech companies including Rolls-Royce, Aston Martin and Mercedes are joining forces with the Red Arrows and The Education Business Partnership (EBP) to inspire the next generation of engineers and scientists.
The firms will showcase their work to more than 300 children at RAF Scampton, which is the Lincolnshire home of the world-renowned Royal Air Force Aerobatic Team.
The special day is part of celebrations marking the Red Arrows’ 50th display season in 2014 and will focus on the importance of studying science, technology, engineering and maths – the so-called STEM subjects.
Also in attendance tomorrow will be physicist Professor Brian Cox, maths expert Carol Vorderman, The Gadget Show host Jason Bradbury and Wing Commander Andy Green, who is the holder of the world land speed record.
The pupils will also get to watch a practice display by the Red Arrows.