Proceedings of the National Academy of Sciences
Moon samples put new constraints on meteorites as Earth’s water source
Earth’s oceans: Too vast for late meteorites.
Is intelligence in the gut?
Microbes supporting the production of more metabolic energy could be key to the evolution of large brains.
How parasitic worms use static to find prey
Nematodes that leap from the ground to infect flies need the help of a static electrical charge to land on their host.
Ancient sea sponges may have been Earth’s earliest animals
Researchers traced chemical fossils in ancient rocks to the ancestors of modern-day demosponges.
Ice dissolves iron more effectively than liquid water
New insights into the chemical activity of frozen landscapes.
How Fish and Birds Inspire Next-Gen Robot Swarms
Breakthrough offers way to develop AI to match flocking birds and schooling fish.
Earth’s oxygen story just got 100 million years older
New insights into the evolution of our planet.
Urban heat islands are a poor proxy for global warming
Urban trees mislead climate models: why genetics matter more than temperature
Curiosity Rover detects largest organic compounds ever found on Mars
Martian chemistry just got more exciting!
Researchers unveil key mechanism that blocks egg-sperm fertilization
In the United States, around 9% of men and 11% of women of reproductive age struggle with fertility issues. This often happens because sperm...
Science fiction to reality: Searching for a lunar oasis
New research may help astronauts locate viable water sources on the moon.
Researchers mapped individual brain dynamics
Method to create precision brain models with applications to personalized medicine.
Hourglass body shape is ideal for hula hooping, says study
Scientists explain the physics of hula hooping.
Today’s genetic code likely came after other codes that have since gone extinct
Study sheds light on origin of genetic code.
Evidence of rice beer dating back approximately 10,000 years at the Shangshan site
New insights into the origins of alcoholic beverage brewing in East Asia.
Cleaner water may pose risk to some Lake Erie fish species
Unforeseen water quality–fisheries tradeoffs are reduced to improve water quality.
Surprising biological mechanisms discovered underlying severe COVID-19
Severe COVID-19 has been considered an inflammatory “cytokine storm”.
Our human family tree evolved bigger brains much more rapidly than earlier species
Brains grew faster as humans evolved.
MIT engineers look to manta rays to design better water filters
The filter feeder's unique mechanism could potentially revolutionize the design of industrial water filters.
What lies beneath the bland surfaces of Uranus and Neptune?
Uranus and Neptune are unique but superficially bland ice giants in our solar system. Planetary scientists have devised two proposals for what lies beneath...
New model can be used to better understand coexistence in nature
Understanding the coexistence in nature.
Microbial production of the most toxic form of mercury
How microbes create the most toxic form of mercury.
New evidence suggests Earth was covered in ice more than 660 million years ago
Researchers at the University of Colorado, Boulder have uncovered strong evidence that supports Snowball Earth theory.