Imagine a swarm of invisible rocks, each big enough to devastate a city, potentially lurking near Venus. New simulations reveal that an unknown number of these “city-killer” asteroids might be hiding in a tricky orbital path, posing a future, albeit currently distant, threat to Earth. This discovery highlights the critical need to find and track all potentially hazardous objects in our solar system.
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This week in science also unearthed treasures from an ancient burial and showcased surprising intelligence in urban wildlife.
The Invisible Swarm Near Our Neighbor
For years, scientists have scanned the skies for asteroids that could cross Earth’s path. Most efforts focus on objects orbiting closer to us or in the main asteroid belt. But a new study points to a blind spot: the region around Venus.
Why is this area tricky? As seen from Earth, objects near Venus appear close to the sun in the sky, making them difficult to observe with telescopes due to the blinding glare. It’s like trying to spot a tiny pebble right next to a powerful spotlight.
Using advanced computer simulations, researchers modeled the orbits of asteroids over millions of years. They found that some asteroids, after being nudged by the gravity of planets, could settle into stable, long-term orbits that keep them relatively close to Venus. These simulated orbits act like hidden pathways where space rocks could accumulate undetected by current surveys focused elsewhere.
The simulations suggest that this hidden swarm could include a significant number of “city-killer” asteroids – those estimated to be wider than 460 feet (140 meters). An impact from an object of this size could wipe out a large metropolitan area. While these asteroids aren’t on a collision course with Earth right now, their proximity to Venus means they could potentially be steered towards us by gravitational interactions in the distant future.
This discovery is a stark reminder that our solar system holds surprises and potential hazards. It underscores the importance of developing new strategies and technologies to scan the entire celestial neighborhood, including those areas currently hidden from view, to ensure we know what’s out there.
Illustration of several large asteroids orbiting near the planet Venus
Unearthing the ‘Ice Prince’ of Bavaria
Switching from potential future threats to fascinating past lives, archaeologists in Bavaria, Germany, made a remarkable find: the 1,350-year-old grave of a toddler. Dubbed the “Ice Prince,” this 18-month-old was buried with extraordinary wealth, including a small sword, silk clothing, a gold cross, and even a piglet.
The burial dates back to between A.D. 670 and 680. The nickname “Ice Prince” comes from the unique excavation method used: the entire burial chamber was “flash-frozen” with liquid nitrogen, allowing researchers to remove and study it as a single, preserved block. This technique helped protect the delicate contents and soil layers.
Analysis of the child’s remains revealed he likely died from a chronic middle ear infection. The lavish items buried with him suggest he was from a family of high status and wealth, indicating that even very young children from elite families were given elaborate burials in this period. The discovery offers rare insights into the social structure, burial customs, and health challenges faced by people in early medieval Bavaria. It’s a poignant glimpse into a short life of apparent privilege, cut tragically short by illness.
Archaeologists carefully handling a block of frozen earth containing an ancient burial, lifting it into a box
Clever Cockatoos Develop a Drinking Tradition
In a delightful example of animal intelligence, wild cockatoos in Western Sydney, Australia, have developed a surprising new skill: operating public drinking fountains. These aren’t simple push-button fountains; they require birds to manipulate a twist handle, a complex sequence involving fine motor skills and coordination.
Researchers observed the cockatoos using both feet to grip the handle, then leaning their body weight to twist it clockwise and hold it open to drink. This isn’t something a bird would figure out by chance; it’s a learned behavior. What’s more, the birds have become so adept and fond of the fountains that they’ve been seen waiting in line for their turn.
Scientists believe this behavior qualifies as a new local tradition within the cockatoo population. It demonstrates how animals can learn complex tasks through observation and practice, and how these learned skills can spread and become part of a local culture, similar to how tool use spreads in some primate groups. It’s a charming example of wildlife adapting creatively to the urban environment.
The March of Discovery Continues
From peering into the hidden corners of our solar system to uncovering secrets buried for millennia and observing the surprising ingenuity of our animal neighbors, science continues to unveil the wonders and mysteries of our world and beyond. These findings, though diverse, share a common thread: our persistent curiosity to understand the universe, our history, and the life around us.
Want to learn more about space exploration, ancient discoveries, or incredible animal behaviors? Explore more articles on these fascinating topics [here] and [here].
