History and archaeology – Page 8
-
Opinion
Sylvia Stoesser – the first female chemist at Dow
Rebecca Trager explores the story of a pioneering industrial researcher, named on 29 patents, but whose research career ended with motherhood
-
Podcast
Cinnamaldehyde
How did a tree bark from Sri Lanka become one of the essential flavours of the festive season?
-
Opinion
Berthelot’s bomb calorimeter
The romantic life of the man who measured the heat of combustion
-
Opinion
Martin Gouterman: the gay man behind the four-orbital model
Abhik Ghosh tells the story of a porphyrin chemist who was a leading figure in Seattle’s gay rights movement of the 1960s
-
Research
Ancient Maya communities were first to use zeolite to purify water
2000 years ago, people in Tikal were using the world’s most advanced water purification systems
-
Research
Pompeii’s paintings imperilled by precipitates
Volcanic ash protected the city’s frescos for centuries, now it might hasten their decline
-
Research
‘Forgotten’ Egyptian blue pigment found in Raphael fresco
Scientists speculate that knowledge of making the ‘first synthetic pigment’ wasn’t quite as lost as some have supposed
-
Opinion
Fortin’s barometer and balance
Defining a new system of measurement required a master instrument maker
-
News
Recalibration is the biggest shake-up in the carbon dating world for seven years
Overhaul will improve accuracy and push back how far samples can be dated by 5000 years
-
Opinion
Marguerite Perey and the last element in nature
Kit Chapman tells the story of the chemist who discovered francium, but was almost denied the credit
-
Podcast
Tannic acid
Tannic acid in green acorns can kill wild animals and livestock, but you can prevent poisoning with pannage pigs
-
Opinion
Ghanaian biochemistry TV star Marian Addy
Marian Addy was the first female science professor in Ghana, who studied herbal medicine – and was a TV star
-
Podcast
2AP (2-acetyl-1-pyrroline)
Frances Addison on the aromatic compound found in both buttered popcorn and the bearcat’s scent glands, and responsible for the distinctive smell of both