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A Jewish prayer shawl adorned with ritual tassels that contain tekhelet-dyed threads.

Piece of Ancient Fabric Revealed True Source of Biblical Blue Dye Lost for 1,300 Years

An ancient blue dye, known as tekhelet, once adorned the precious robes of kings, priests, and high-ranking Jews. But around two millennia ago, this highly-valued commodity became lost to the pages...
Think Your Blue Jeans Are Faded? Compare Them to This 6000-Year-Old Textile Found in Peru

Think Your Blue Jeans Are Faded? Compare Them to This 6000-Year-Old Textile Found in Peru

Although denim jeans in their modern form are an invention from the late 1800s, the process of dying cotton with indigo is a technique that dates back thousands of years. Previously acknowledged as...
Fermented Urine Dye Discovered in One of the Oldest Illuminated Manuscripts

Fermented Urine Dye Discovered in One of the Oldest Illuminated Manuscripts

A mixture of urine and weeds has been discovered in the dye used on the stunning 1,500-year-old Byzantine text known as the Codex Purpureus Rossanensis, one of the oldest surviving illuminated...
New Research Shows that Some Ancient Egyptians Were Naturally Fair-Haired

New Research Shows that Some Ancient Egyptians Were Naturally Fair-Haired

According to Dr. Janet Davey from the Victorian Institute of Forensic Medicine in Australia, some ancient Egyptians were naturally blonde or red haired. Her research has brought an answer to an...
An Edo period painting showing a woman with teeth stained black by the practice of Ohaguro.

The Allure of Blackened Teeth: A Traditional Japanese Sign of Beauty

Ohaguro (which may be translated as ‘blackened teeth’) is a practice in which people (usually women) dye their teeth black. Whilst this custom is known to be practiced in different parts of the world...
The Pantheon dome - made entirely out of concrete.

From Chrome Plating to Nanotubes: the ‘Modern’ Chemistry First Used in Ancient Times

The ancient Babylonians were the first to use sophisticated geometry – a staggering 1,400 years before it was previously thought to have been developed. Sadly, these mathematical innovations were...
3,300-year-old Egyptian woman with hair extensions discovered in Armana

3,300-year-old Egyptian woman with hair extensions discovered in Armana

Archaeologists carrying out excavations at Tell el-Amarna in Egypt, the capital city built by Pharaoh Akhenaten in c. 1330 BC, have found a number of human remains containing well-preserved elaborate...
Egyptian Blue pigment

Egyptian Blue – The Oldest Known Artificial Pigment

Egyptian Blue, also known as calcium copper silicate, is one of the first artificial pigments known to have been used by man. The oldest known example of the exquisite pigment is said to be about...
Saffron crocus flowers - Minoan fresco

Saffron: Ancient Healing Powers Confirmed by Science

By Sayer Ji , www.greenmedinfo.com Clearly there is something magical about the Crocus sativus flower, from which the spice saffron is derived. If its striking beauty does not immediately cast a...
Tekhelet - Israel

Ancient textile may contain Biblical blue dye lost for 1,300 years

An extremely rare blue dye which adorned the robes of kings, priests, and Jews in ancient times, and which was lost to the world nearly 1,300 years ago, is believed to have been found on a 2,000-year...