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Evolution 8 hours ago

Bioluminescence first evolved in animals at least 540 million years ago, pushing back previous oldest dated example

Bioluminescence first evolved in animals at least 540 million years ago in a group of marine invertebrates called octocorals, according to the results of a new study from scientists with the Smithsonian's National Museum ...

Astronomy 9 hours ago

Star bars show universe's early galaxies evolved much faster than previously thought

The universe's early galaxies were less chaotic and developed much faster than previously thought, according to new research looking back more than ten billion years in time. An international team of astronomers led by Durham ...

Plants & Animals 9 hours ago

Squids' birthday influences mating: Male spear squids shown to become 'sneakers' or 'consorts' depending on birth date

The day a male spear squid hatches determines which mating tactic he will use throughout his life, according to new research. Spear squid (Heterololigo bleekeri) that hatch earlier in the season become "consorts" that fight ...

Environment 11 hours ago

Researchers develop forest extent map for Mexico

To properly protect forests and evaluate the state of natural resources, conservation practices and environmental policies, it is important to have accurate information on an area's forest extent.

Plants & Animals 11 hours ago

Investigating the efficacy of methods to stimulate adventitious rooting of Lindera benzoin stem cuttings

The variability among woody plants in their responses to asexual propagation techniques poses challenges and severe limits for commercial production. While some species readily root from stem cuttings, others are more difficult ...

Veterinary medicine 11 hours ago

Emotion can cause chickens to get red in the face

Studying emotion in animals is a complex research field, little explored up to now in birds, although reddening of the skin had already been observed in previous work on the blue-and-yellow macaw. An INRAE research team focused ...

Materials Science 12 hours ago

Unconventional technology enhances composites important to automotive, aerospace and renewable energy industries

Scientists at the Department of Energy's Oak Ridge National Laboratory have developed a method that demonstrates how fiber-reinforced polymer composite materials used in the automotive, aerospace and renewable energy industries ...

Astronomy 12 hours ago

Hubble celebrates 34th anniversary with a look at the little dumbbell nebula

In celebration of the 34th anniversary of the launch of NASA's legendary Hubble Space Telescope on April 24, astronomers took a snapshot of the Little Dumbbell Nebula (also known as Messier 76, M76, or NGC 650/651) located ...

Education 12 hours ago

Research reveals tools to make STEM degrees more affordable

In a new study in Issues in Science and Technology, Dominique J. Baker, an associate professor in the College of Education and Human Development and the Joseph R. Biden, Jr. School of Public Policy & Administration at the ...

Social Sciences 12 hours ago

Missing identity options on forms can prompt anger, reduce belonging

Being asked to provide demographic information in official forms such as job applications—but finding one's own identity group missing from demographic options provided—can signal a low likelihood of belonging in a given ...

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