All Stories by Sid Perkins
- Earth
Phytoliths as climate clues
Tiny silica plant structures from soil could track temperature changes.
- Earth
Bricks, mortar and magnetism
Medieval French castle, churches yield new data about Earth’s changing magnetic field.
- Earth
A more organic meteorite
Some meteorites may contain a higher concentration of organic chemicals than previously thought.
- Life
Trees of stone tell tropical tale
Peruvian petrified forest offers insight into low-latitude conditions of millions of years ago
- Life
Life on Earth took a licking, kept on ticking
Earth's early organisms may not have had to restart after a long spell of asteroid impacts.
- Paleontology
Ancient fish with killer bite
Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.
- Archaeology
Biocides inducing resistance in Lascaux cave’s microbes
Study makes researchers wonder whether they should treat fungus or not.
- Life
Portuguese trove of trilobite fossils
Fossils include largest known trilobite specimen and groups of the ancient arthropods caught in the act of molting and spawning.
- Paleontology
Soft tissue from a dino fossil
Researchers have uncovered soft tissue and fragments of several proteins from a hadrosaur.
- Earth
A limit for carbon emissions: 1 trillion metric tons
To reduce risks of severe damage from climate change, humans should burn no more than 1 trillion tons of carbon in total, researchers suggest.
- Plants
Climatic effects of tree-killing hurricanes
A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.
- Earth
A little air pollution boosts vegetation’s carbon uptake
Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.
