Paleontology
‘Uncovering Dinosaur Behavior’ unearths paleontology’s biases
Paleontologist David Hone’s latest book fleshes out our understanding of dinosaur behavior.
Featured Articles in this Issue
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Cover Story
This marine biologist discovered a unique blue whale population in Sri Lanka
In addition to studying the world’s only nonmigratory blue whales, marine biologist Asha de Vos seeks to change her compatriots’ attitudes toward the ocean.
Reviews & Previews
Science Visualized
Neuroscience
Scientists have traced all 54.5 million connections in a fruit fly’s brain
By tracing every single connection between nerve cells in a single fruit fly’s brain, scientists have created the “connectome,” a tool that could help reveal how brains work.
Notebook
Planetary Science
NASA’s Europa mission is a homecoming for one planetary astronomer
Over her long career, Bonnie Buratti has seen the search for life in the solar system go from a joke to a flagship mission.
Features
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A race to save Indigenous trails may change the face of archaeology
As construction of a pipeline nears, an effort to preserve an Indigenous trail in Canada tests whether heritage management can keep up with advances in archaeology.
More Stories from the November 2, 2024 issue
- Neuroscience
Semaglutide saps mice’s motivation to run
Mice given semaglutide, the key ingredient in drugs like Ozempic and Wegovy, lost weight, but they also voluntarily ran less on a wheel.
- Astronomy
Betelgeuse has a tiny companion star hidden in plain sight
Betelgeuse has a sequel — in the form of a companion star that's about the same mass as the sun, orbiting it about once every 2,100 days.
- Animals
These sea creatures can fuse their bodies
A species of comb jelly can fuse its body with another jelly after injury. Some of the pair’s body functions then synchronize.
- Physics
X-rays from nuclear blasts could defend Earth from asteroids
The X-ray pulses could deflect asteroids up to 4 kilometers wide, a new study suggests.
- Neuroscience
Hair pulling prompts one of the fastest known pain signals
The ouch of hair pulling is transmitted with the help of a protein used to sense light touches. These details could lead to new treatments.
- Physics
Radioactive beams give a real-time view of cancer treatment in mice
This first successful treatment of tumors with radioactive ion beams could one day lead to treating human patients’ tumors with millimeter precision.
- Climate
A thousands-year-old log demonstrates how burying wood can fight climate change
Burying wood can store carbon for thousands of years, according to an analysis of an ancient log unearthed in Canada.
- Animals
Bird nests made with a toxic fungus seem to fend off attacking ants
Two species of birds in Costa Rica build nests in trees defended by ants. Ants that encounter the horsehair fungus in the nests develop odd behaviors.
- Archaeology
Ancient Scythians had cultural roots in Siberia
A possible sacrificial ritual from around 2,800 years ago suggests mounted herders from Siberia shaped a Eurasian culture thousands of kilometers away.
- Physics
Thunderstorms churn up a ‘boiling pot’ of gamma rays
A thunderstorm seen in gamma-ray vision is a complex, frenetic lightshow when viewed from above the clouds.
- Animals
This fish has legs — and it uses them for more than just walking
Some sea robins have taste buds on their six crablike legs that help the fish ferret out prey buried in sand as they walk.
- Health & Medicine
A hurricane’s aftermath may spur up to 11,000 deaths
Hurricanes like Helene may indirectly cause deaths for years. Stress, pollution and a loss of infrastructure could all contribute to tropical cyclone fatalities.
- Health & Medicine
Blood pressure may read falsely high if the arm isn’t positioned properly
A clinical trial found blood pressure readings were higher with the arm on the lap or along the side, compared with supported at heart height.
- Astronomy
Barnard’s star has at least one planet orbiting it after all
After decades of searching, a telltale gravitational wobble points to an exoplanet orbiting the nearby red dwarf every 3.15 days.
- Health & Medicine
An mRNA vaccine protected mice against deadly intestinal C. difficile bacteria
An mRNA vaccine that targets several aspects of C. difficile’s ability to cause severe disease prevented major symptoms and death in mice.
- Animals
Some tadpoles don’t poop for weeks. That keeps their pools clean
Eiffinger’s tree frog babies store their solid waste in an intestinal pouch, releasing less ammonia into their watery cribs than other frog species.
- Genetics
The discovery of microRNA wins the 2024 physiology Nobel Prize
Victor Ambros and Gary Ruvkun found a new principle of gene regulation essential for all multicellular organisms.
- Artificial Intelligence
The discovery of tools key to machine learning wins the 2024 physics Nobel
John Hopfield and Geoffrey Hinton used tools from physics to develop data analysis methods that underlie machine learning.
- Chemistry
Work on protein structure and design wins the 2024 chemistry Nobel
David Baker figured out how to build entirely new proteins. Demis Hassabis and John Jumper developed an AI tool to predict protein structures.
- Planetary Science
50 years ago, scientists found a new moon orbiting Jupiter
In 1974, astronomers discovered Jupiter’s 13th moon. They now know of at least 95 moons and have launched missions to study some up close.
