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Posts by
Shireen Gonzaga
Earth
Shorebirds in Delaware Bay: 2024’s spring migration
The Delaware Bay region is one of the most important shorebird habitats in the world. In spring, some shorebirds gobble up horseshoe crab eggs for food.
May 31, 2024
Earth
Warm-blooded dinosaurs emerged 180 million years ago
Warm-blooded dinosaurs arose about 180 million years ago, during the Jurassic Period, in response to changes in climate, according to a new study.
May 22, 2024
Earth
Killer whales take 1 breath between dives
Killer whales take 1 breath between dives. New data from tags attached to the animals and observations from unmanned aerial vehicle drones have verified it.
May 21, 2024
Hoofed animals’ earliest ancestor discovered in Colorado
A new ancient mammal species, that lived 65 million years ago, is thought to be the earliest known ancestor of hoofed animals like deer, pigs, and horses.
May 15, 2024
Human World
Liujiang skeleton re-dates earliest Homo sapiens in China
The Liujiang skeleton, a significant fossil in understanding early modern humans in East Asia, has been aged at 33,000 to 23,000 years old.
May 7, 2024
Earth
Oldest evidence of Earth’s magnetic field in Greenland rocks
The oldest signatures of Earth’s magnetic field, from 3.7 billion years ago, were found in rocks from Greenland's Isua Supracrustal Belt region.
April 29, 2024
Beta Centauri is one of the Southern Pointer Stars
Beta Centauri isn’t as famous as Alpha Centauri, but together, these brilliant Southern Hemisphere stars have inspired legends and guided mariners.
April 4, 2024
Meet the Crab Nebula, remnant of an exploding star
The Crab Nebula, the scattered fragments of a supernova, or exploding star, was observed by earthly skywatchers in the year 1054.
January 14, 2024
Audubon Christmas Bird Count signup has begun
The Audubon Christmas Bird Count, held each winter, is one of the longest-running community science projects. You can help collect important data about birds.
December 3, 2023
Delta Cephei helps measure cosmic distances
Delta Cephei is an inconspicuous variable star in the northern constellation Cepheus the King. This star helps establish the cosmic distance scale.
September 10, 2023
