Adding lemon makes your tea taste nice - and changes its colour.
It's all about the chemistry. Adding lemon can enhance the flavour and enjoyment of tea, and change its colour, but its best not to expect any extra boosts to your health.
Subbing new risks for the current dyes’ dangers?
Less-toxic hair dye would be a great invention. But discounting the risks that come with nanoparticles could undermine other efforts to protect human health and environmental from their effects.
There are nanometals in your washing machine.
Many socks, towels and other textiles are treated with silver nanoparticles to kill germs and odors. When the silver washes out, it can pollute waterways. Two chemists propose a way to collect it from wastewater.
Hundreds of people have been warned after former Russian spy Sergei Skripal was poisoned with Novichok nerve agent.
Through abstraction, the underlying essence of a mathematical concept can be extracted.
High-tech ways to scan nature’s own creations.
Pharmaceutical companies focus on small molecules they've devised – and can easily patent. But nature's already come up with many antibacterial compounds that drug designers could use to make medicines.
Will blue packets replace pink ones soon?
Medicinal chemists are tweaking a natural molecule that can be a deadly poison – a modified version might work as a nonhormonal male contraceptive.
The comet 67P/Churyumov-Gerasimenko, seen up close.
Dust can be instructive. The analysis of those collected around the comet 67P/Churyumov-Gerasimenko provided new information on the history of the solar system.
The ingredients of incense were detailed in the Old Testament.
The four ingredients for holy incense are listed in the Old Testament, but there was much debate over the origin of one of them -- onycha. Scientists think they've now confirmed the source.
J. Michael Creeth.
University of Nottingham.
Remembering J. M. Creeth, 70 years after he discovered hydrogen bonds in DNA.
Would you still be willing to wait for whisky?
'Fast liquor', aged in months rather than decades, is the holy grail for distillers who are trying techniques ranging from using special barrels to blasting their brew with ultrasound.
Watch where you take it.
A British woman has been arrested for transporting the prescription painkiller into Egypt and could even face the death penalty.
Announcement by Nobel committee.
TT NEWS AGENCY/EPA
The technique is helping scientists to look for drugs against the Zika virus.
Cryo-electron microscopy resolution continues to improve.
Veronica Falconieri, Sriram Subramaniam, National Cancer Institute, National Institutes of Health
The 2017 Nobel Prize in chemistry goes to three scientists who revolutionized biochemistry by inventing a technology that can image the molecules of life without destroying them.
Schedule 2 narcotics: Morphine Sulfate, OxyContin and Opana.
Rich Pedroncelli/AP Photo
How can we fight the opioid epidemic? Redesign the drugs, rethink how we assess patients and mandate prescription monitoring.
The chemical formula behind your tears.
What can you do to ensure a more perfect brew?
The science behind why what your barista achieves at the cafe tastes better than what you can come up with at home.
Help us put this old wives' tale to a scientific test.
Are you a food label reader too?
Processed foods often contain additives with intimidating chemical names or numbers. But many of these are derived from or based on chemicals that are found in nature.
Boron is often ignored, but it’s got a lot of important qualities.
Boron is the hidden ingredient in a lot of our technology. Get to know this plucky little element.