Author Archives: Stephanie Pappas
Why Has a Group of Orcas Suddenly Started Attacking Boats?
Killer whales in a group near Spain and Portugal may be teaching one another to mess with small boats. They sank their third vessel earlier this month Continue reading
The First Kiss in Recorded History Dates Back Nearly 5,000 Years
Kissing probably predates Homo sapiens as a species, but the first texts documenting the beso go back to the early Bronze Age Continue reading
The First Kiss in Recorded History Dates Back Nearly 5,000 Years
Kissing probably predates Homo sapiens as a species, but the first texts documenting the beso go back to the early Bronze Age Continue reading
What Created This Mini Book-Shaped Rock on Mars?
A book-shaped rock spotted by the Curiosity rover on Mars is the result of an interplay of wind, water—and the human brain Continue reading
This Might Be the World’s Oldest Tree. And It Could Die of Thirst
Lañilawal, a Patagonian cypress that may be one of the oldest trees on Earth, needs greater protection if scientists are to understand its secrets of survival, an environmental scientist says Continue reading
Physicists See ‘Strange Matter’ Form inside Atomic Nuclei
New research attempts to discern how bizarre particles of strange matter form in the nuclei of atoms Continue reading
Who Invented the Measurement of Time?
The first timekeeping devices were probably natural materials lost to the ages, but the ancient Egyptians were the first to leave records of their timekeeping methods Continue reading
Why Are Killer Whales Ripping Livers Out of Their Shark Prey?
Killer whales rip open the bellies of sharks to snag the liver. Other predators also have dietary preferences for organs, brains and additional rich body parts Continue reading
Will Humans Ever Go Extinct?
It’s probably a matter of when and how, not if, we humans will meet our doom Continue reading
5 Things We’ve Learned from COVID in Three Years
The World Health Organization declared the COVID outbreak a pandemic three years ago. Here’s what’s changed since then Continue reading
Is the Alpha Wolf Idea a Myth?
The idea that wolf packs are led by a merciless dictator, or alpha wolf, comes from old studies of captive wolves. In the wild, wolf packs are simply families Continue reading
Earth’s Inner Core May Have an Inner Core
Echoes from earthquakes suggest that Earth’s solid inner core has its own core Continue reading
Do Trees Really Support Each Other through a Network of Fungi?
Trees communicate and cooperate through a fungal web, according to a widespread idea. But not everyone is convinced Continue reading
Scientists Decipher 57 Letters That Mary, Queen of Scots Wrote before Her Beheading
In newly deciphered letters written from captivity in the late 1500s, deposed queen of Scotland Mary Stuart complained about her health and tried to negotiate her release Continue reading
What Causes Déjà Vu?
Does this all feel a little familiar? Called déjà vu, that sensation may be your brain correcting its own errors Continue reading
Scientists See Quantum Interference between Different Kinds of Particles for First Time
A newly discovered interaction related to quantum entanglement between dissimilar particles opens a new window into the nuclei of atoms Continue reading
World’s Oldest DNA Discovered, Revealing Ancient Arctic Forest Full of Mastodons
Two-million-year-old DNA, the world’s oldest, reveals that mastodons once roamed forests in Greenland’s far northern reaches Continue reading
How Water Made Fire in an Indonesian Volcano
Heavy rains may have set off an outpouring of ash and gases from Indonesia’s volcano Semeru “like uncorking a soda bottle” Continue reading
Mauna Loa, Earth’s Largest Active Volcano, Just Woke Up after 38 Years
Hawaii’s Mauna Loa, the largest active volcano on Earth, erupted for the first time in nearly 40 years. Its eruptions tend to be shorter-lived than those of the other Big Island volcanoes, and its lava is more liquid and flows faster Continue reading
This Lemur’s Creepily Long Finger Is Perfect for Nose-Picking
Aye-ayes use their long middle finger to pick their noses, a first for this lemur species. But scientists aren’t sure why these animals picked up the habit Continue reading
Rare Baby Mummy Identified as Austrian Noble
Researchers have identified a rare baby mummy as the firstborn son of a count of Austria, and rickets may have led to the child’s death Continue reading
Rare Red Sea Brine Pool Holds Secrets of Past Natural Disasters
An ultradense pool of salty water at the bottom of the ocean holds a pristine record of hundreds of years of tsunamis, earthquakes and floods Continue reading
Oceans’ Worth of Water Hidden Deep in Earth, Ultra Rare Diamond Suggests
A diamond contains the only known sample of a mineral from Earth’s mantle—and hints at oceans’ worth of water hidden deep within our planet Continue reading
The Oldest 3-D Heart from Our Vertebrate Ancestors Has Been Discovered
Fish fossils from Western Australia preserve the oldest 3-D hearts, livers, stomachs and intestines in a jawed vertebrate Continue reading
COVID Virus May Tunnel through Nanotubes from Nose to Brain
Nanotubes may provide a cunning answer to the mystery of how the virus that causes COVID infects neurons and produces long-lasting neurological symptoms Continue reading
Thousands of Tree Species Remain Unknown to Science
New research suggests there are 14 percent more tree species out there than previously believed
— Read more on ScientificAmerican.com
Quad-State Tornado May Be Longest-Lasting Ever
Why some tornadoes are able to travel so far and persist so long
— Read more on ScientificAmerican.com
New Mineral Discovered in Deep-Earth Diamond
The surprising find has never shown up in nature before and reveals secrets about the earth’s mantle
— Read more on ScientificAmerican.com
Ugly Diamonds Hold a Billion-Plus Years of Earth History
Tiny pockets of fluid inside imperfect diamonds show how Earth changed
— Read more on ScientificAmerican.com
Earthquake Sounds Could Reveal How Quickly the Ocean Is Warming
A new way of measuring the temperature of the seas could fill in gaps left by limited direct monitoring
— Read more on ScientificAmerican.com