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Earth painted on face. Elements of this image furnished by NASA. Gaia reminds us of our connection with the living Earth.

Gaia: Recognizing Our Role on a Living Earth

In the early 1960s, renowned chemist Dr. James Lovelock was approached by NASA to develop systems and methods that could be used in determining whether or not a planet harbored life. Specifically,...
Instructions for a 3,500-year-old pregnancy test.

Translated Papyrus Provides New insights Into Medical Knowledge of Ancient Egypt

The University of Copenhagen in Denmark has announced a very important discovery. During an international project to decipher ancient Egyptian texts, one expert has been able to translate a papyrus...
Message in an old bottle

Adrift at Sea: The Long-Awaited Recovery of the Oldest Message in a Bottle

Two years ago, a bottle was found with a message in it that had been released before the outbreak of World War One. It had survived not only the ravages of the seas, but both world wars and the life...
Pietro Perugino's use of perspective in this fresco at the Sistine Chapel (1481–82) helped bring the Renaissance to Rome

Do Your Eyes Fool You? Ancient Vision and a New Reality — How to See and Draw Like the Ancients

From the beginning of time, those among us we now call artists have tried to capture in two dimensions what they saw of the real, three-dimensional world in which they lived. Almost from the very...
A DNA molecule that is methylated on both strands on the center cytosine. DNA methylation plays an important role for epigenetic gene regulation in development and cancer

Ancient Ancestors Had More DNA Than We Do Now: Have we Devolved?

Adding to the number of unsolved mysteries regarding the ancient origins of humanity and the biology of our species, scientists have discovered that we have less DNA now than our ancient ancestors...