The Teeth of the Tyrannosaurs
Their teeth reveal aspects of their hunting and feeding habits
The Dechronization of Sam Magruder
The brute-- it was a tyrannosaur-- got me by the leg. He shook me loose, tearing off the leg at the knee, and he didn't see where the rest of me fell. I tied up the stump and crawled away.
Scientists and Religion in America
Science and religion are engaging in more active dialogue and debate, but a survey suggests that scientists' beliefs have changed little since the 1930s, and top scientists are more atheistic than ever before
Repairing the Damaged Spinal Cord
Once little more than a futile hope, some restoration of the injured spinal cord is beginning to seem feasible
Breathing Life into
By analyzing previously overlooked fossils and by taking a second look at some old finds, paleontologists are providing the first glimpses of the actual behavior of the tyrannosaurs
A Case against Virtual Nuclear Testing
The U.S. Department of Energy's high-tech plan to replace nuclear testing with elaborate 3-D computer simulations is seriously flawed
Your Bionic Future
As life and technology merge, they will both become more interesting.
The Throat Singers of Tuva
Testing the limits of vocal ingenuity, throat-singers can create sounds unlike anything in ordinary speech and song--carrying two musical lines simultaneously, say, or harmonizing with a waterfall
Within a decade or two, scientists will create
a genetic vaccine that increases muscle mass--without
Did the solar system always look the way it does now?
New evidence indicates that the outer planets
may have migrated to their present orbits
The Coming Merging of Mind and Machine
The accelerating pace of technological progress means
that our intelligent creations will soon eclipse us--and that
their creations will eventually eclipse them.
GROWING NEW ORGANS
Researchers have taken the first steps toward creating semisynthetic,
living organs that can be used as human replacement parts
Vascularization of new tissue
Plasmids, circlets of DNA (yellow)
KUIPER BELT OBJECTS
ARTY-SAYIR/TWICE AS MANY TONES
A Planetary System at Last?
Equipping old minds with new bodies--whether you call it head transplantation or body transplantation--is not outside science's ken. How would it work?