The leg of this purple ochre sea star in Oregon is disintegrating, as it dies from sea star wasting syndrome. Photo by Elizabeth Cerny-Chipman, courtesy of Oregon State University.

The Long Quest to Uncover a Sea Star Killing Bacteria

Scientists say they’ve found the cause of a marine epidemic more than ten years after it started. What took so long?
Eruption of Eyjafjallajökull, Iceland

A Massive Eruption 74,000 Years Ago Affected the Whole Planet

Archaeologists use volcanic glass to figure out how people survived.
Blue-stained serpentine Neotyphodium coenophialum mycelia inhabiting the intercellular spaces of tall fescue leaf sheath tissue. Magnified 400x.

Better Farming Through Endophytes

Scientists look to “probiotics” for crops as a new green revolution in agriculture.
Three species of pollen grains

Using Pollen To Make Paper, Sponges, and More

Reengineered, the powdery stuff could become a range of eco-friendly objects.
Atlantic Salmon

Taking “Stock” of Salmon and Word Choice

The long debate over spawning habits and genetics belies the problems caused by categorizing fish with a term associated with finance and breeding.
Dates Hanging from Date Palm

Dates: Civilization’s Sweetest Indulgence

Offshoots from the “Tree of Life” traveled from Mesopotamia to the Levant to the United States, beguiling everyone with their toothsome confections.
The golden death mask of Egyptian pharaoh Tutankhamen, 1950

The Pharaoh’s Curse or the Pharaoh’s Cure?

A toxic fungus from King Tutankhamun’s tomb yields cancer-fighting compounds.
Mammal bones protrude from pit 91 at the La Brea Tar Pits on August 17, 2023 in Los Angeles, California.

La Brea and Beyond

Pits and seeps full of tar and asphalt offer new insights into old ecosystems and cultures.
Maxine Singer, Norton Zindler, Sydney Brenner and Paul Berg at the Asilomar Conference, February 1975

The Legacy of Asilomar

The 1975 scientific conference laid the ground rules governing the next half century (and counting) of biological research and public scrutiny of it.
Ridge trail to Mt Lafayette in the White Mountains, New Hampshire

How Did Eastern North America Form?

With many collisions and much crumpling of rock, down the ages. The story holds lessons for how the edges of continents are built and change over time.