Science News of the Year: 1998
Back to Science News of 1998
Earth Science
- A devastating tsunami struck the north coast of Papua New Guinea (Aug. 1, vol. 154: p. 69*; Oct.
3, vol. 154, p. 221*).
- A piece of the asteroid that walloped the planet 65 million years ago
turned up at the bottom of the Pacific (Nov. 21, vol. 154:
p. 324*).
- Computer simulations indicated that greenhouse warming will
exacerbate ozone destruction in the Arctic (April 11, vol. 153: p. 228).
- The mass extinction at the end of the Permian period happened much
faster than previously thought (May 16, vol. 153: p. 308).
- Global temperatures continued their push upward into record range
(Jan. 17, vol. 153: p. 38; July 25, vol. 154: p. 52*).
- A set of nuclear blasts detonated by India stymied seismologists (May
23, vol. 153: p. 324).
- Geologists projected that a steep hike in the price of oil will come
in the next few years as supplies tighten (Oct. 31, vol.
154: p. 278*).
- Errors were discovered in global temperature measurements made by
satellites (Aug. 15, vol. 154: p. 100).
- An undersea volcano erupted off the northwest coast of the United
States (Feb. 28, vol. 153: p. 133).
- California began building a warning system to tell when earthquake
waves are approaching (March 14, vol. 153: p. 169*).
- Geologic stress is building much faster than expected at the
candidate site for a high-level nuclear waste repository (April 18, vol. 153: p. 251).
- La Niņa cooling developed in the Pacific, replacing El Niņo warmth
(July 4, vol. 154: p. 5*).
- Japan, the United States, and other nations explored the energy
locked up in frozen deposits of natural gas (Nov. 14, vol.
154: p. 312*).
- Geologists suggested that Earth was completely ice-covered at several
intervals more than 600 million years ago (Aug. 29, vol.
154: p. 137*).
- Seismic discoveries revealed important details about Earth's inner
core (July 25, vol. 154: p. 58).
- Sound waves crisscrossing the Pacific ocean measured its temperature
with high precision (Aug. 29, vol. 154: p. 133).
- Seismologists found a partially molten layer at the bottom of Earth's
mantle (Feb. 14, vol. 153: p. 109*).
- The upper atmosphere may have shrunk in response to global warming
(Sept. 26, vol. 154: p. 199).
- Researchers shot down the idea that thousands of small comets bombard
Earth's atmosphere each day (June 6, vol. 153: p. 356).
- A great earthquake hit unexpectedly off the coast of Antarctica
(Sept. 15, vol. 154: p. 155).
- The Antarctic ozone hole reached record dimensions (Oct. 17, vol.
154: p. 246).
- North American forests may be sucking up billions of tons of carbon
dioxide each year (Nov. 11, vol. 154: p. 332).
- Researchers discovered that Earth is continually ringing like a bell
(July 4, vol. 154: p. 12).
- Cosmic rays may sow the seeds of droplets and ice particles in clouds
(March 14, vol. 153: p. 166).
- Southern California may not face as many future quakes as once
thought (March 21, vol. 153: p. 181*).
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