245 Million Years Old Fossilized Burrows Suggest Lizard-like Creatures Antarctica
15:45 08-06-2008; source: www.sciencedaily.com
Scientists find evidence of tetrapods living in Antarctica during the early Triassic epoch, about 245 million years ago. The fossils were created when fine sand from an overflowing river poured into the animals' burrows and hardened into casts of the open spaces. The largest preserved piece is about 14 inches long, 6 inches wide and 3 inches deep. The burrows' relatively small size prompted scientists to speculate that their owners might have been small lizardlike reptiles called Procolophonids or an early mammal relative called Thrinaxodon.
Mystery Of Infamous 'New England Dark Day' Solved By Three Rings
21:45 06-06-2008; source: www.sciencedaily.com
At noon, it was black as night. It was May 19, 1780, and some people in New England thought judgment day was at hand. Accounts of that day, became known as "New England's Dark Day." The mystery of this day has been solved by researchers who say evidence from tree rings reveals massive wildfires as the likely cause.
Dinosaur Diggers Bring Mobile Lab, New Techniques To Eastern Montana
21:45 06-06-2008; source: www.sciencedaily.com
Scientists who dig dinosaurs in Eastern Montana will now be able to chemically analyze fossils the same day they're excavated and before degrading begins. They'll also use cranes to excavate entire skeletons.
Fish 380 Million Years Old Found With Unborn Embryo
18:45 06-06-2008; source: www.sciencedaily.com
Australian researchers have discovered a remarkable 380-million-year-old fossil placoderm fish with intact embryo and mineralized umbilical cord. The discovery makes the fossil the world's oldest known vertebrate mother. It also provides the earliest evidence of vertebrate sexual reproduction, wherein the males (which possessed clasping organs similar to modern sharks and rays) internally fertilized females.
New Way To Think About Earth's First Cells
03:45 06-06-2008; source: www.sciencedaily.com
A team of researchers have modeled in the laboratory a primitive cell, or protocell, that is capable of building, copying and containing DNA. Since there are no physical records of what the first primitive cells on Earth looked like, or how they grew and divided, the research team's protocell project offers a useful way to learn about how Earth's earliest cells may have interacted with their environment approximately 3.5 billion years ago.
A New Way To Think About Earth's First Cells
18:45 05-06-2008; source: www.sciencedaily.com
A team of researchers have modeled in the laboratory a primitive cell, or protocell, that is capable of building, copying and containing DNA. Since there are no physical records of what the first primitive cells on Earth looked like, or how they grew and divided, the research team's protocell project offers a useful way to learn about how Earth's earliest cells may have interacted with their environment approximately 3.5 billion years ago.
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