Science News of the Year: 1998
Back to Science News of 1998
Paleobiology
- The discovery of feathered dinosaur fossils in China boosted the
theory that birds arose from dinosaurs (June 27, vol. 153:
p. 404*).
- The oldest animal embryos were discovered (Feb. 27, vol. 153: p. 84).
- The remains of possibly the oldest whale turned up in India (Oct. 10, vol. 154: p. 229*).
- Studies of fossil teeth suggested that a drop in carbon dioxide
concentrations redirected mammalian evolution (Jan. 3, vol. 153: p. 14).
- Fossilized dung from a tyrannosaur offered new insight into the
eating style of these king carnivores (June 20, vol. 153: p.
391*).
- Researchers debated whether marks on 1.1-billion-year-old sandstone
were the oldest animal fossils (Nov. 21, vol. 154: p. 332; Oct. 17, vol. 154, p. 255).
- Paleontologists found the remains of muscle fiber, intestines, and
the liver within a dinosaur fossil (April 18, vol. 153: p. 252).
- An Arctic site yielded 800-million-year-old fossils of early complex
cells (Nov. 7, vol. 154: p. 294*).
- An expedition in the Sahara uncovered a giant fish-eating dinosaur
with a snout like a crocodile's (Nov. 14, vol. 154: p. 308).
- Fossilized soil deposits indicate that life may have colonized the
continents as much as 2 billion years ago (March 7, vol. 153: p. 151).
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