Apr. 16, 2025 — Scientists have discovered how aging blood stem cells acquire mutations that give them a growth edge, creating fertile ground for the development of clonol hematopoiesis ...

Stem cells are cells that have the capacity to self-renew by dividing and to develop into more mature, specialised cells. Stem cells can be unipotent, multipotent, pluripotent or totipotent ...

The Cistercian monks described seals as the "sea calf," and there is no existing written record of the purchase or any use of sealskin at Clairvaux Abbey. The use of sealskin in bindings appears ...

Dissatisfied with the rules of the Benedictine abbey they called home, they created the Cistercian rule and order in 1098 and grew to be known as the “White Monks.” The monks curated a vast ...

However, it is unlikely that this was their original appearance. Unlike the Benedictines, the Cistercians preferred white or pale tones for their liturgical objects and vestments. In the Middle Ages, ...

It is rare to find medieval manuscripts in their original bindings, but some from the 12th and 13th centuries have been preserved in Cistercian libraries such as Clairvaux and its daughter abbeys. The ...