Science Bulletins: Cancer's Evoluntionary Tree
Geneticists can reconstruct the evolutionary history of an organism by analyzing changes in its genetic code that have accumulated over time. Now a team of ...
American Museum of Natural History
Science Bulletins: Keeling's Curve – The Story of CO2
As the leading greenhouse gas, carbon dioxide is one of the atmosphere's most closely watched ingredients. The scrutiny began in 1958, when a young ...
American Museum of Natural History
Science Bulletins: Monitoring Mount Etna—Magma on the Move
Scientists in Sicily are collecting an enormous amount of data to monitor moving magma inside Mt. Etna, one of the most active volcanoes in the world. Nearly a ...
American Museum of Natural History
Science Bulletins: Field Notes from Madagascar
Scientists at the American Museum of Natural History conduct studies all over the world during their annual field seasons. In this episode of "Field Notes," we trek ...
American Museum of Natural History
Science Bulletins: In Search of Wild Variety
To help build the catalog of life, biologists at AMNH search the globe for species that have never been scientifically described. Discover seven of these new ...
American Museum of Natural History
Science Bulletins: Deadly Larvae Lure Predators
Amphibians that try to feed on the larvae of the Epomis beetle will find that they've bitten off more than they can chew. Rather than avoiding its predators, the ...
American Museum of Natural History
Science Bulletins: Scarlet Macaws Soar in Guatemalan Skies
Fledgling scarlet macaws took to the skies over Guatemala in record numbers this year, thanks to the efforts of researchers and conservationists. During ...
American Museum of Natural History
Science Bulletins: Whales Give Dolphins a Lift
Many species interact in the wild, most often as predator and prey. But recent encounters between humpback whales and bottlenose dolphins reveal a playful ...
American Museum of Natural History
Science Bulletins: Seeking Spiders—Biodiversity on a Different Scale
Recognizing the tiny species of any ecosystem is hugely important for defining its overall diversity. But miniscule forms of life are often invisible to conservation ...
American Museum of Natural History
Science Bulletins: Making Medicine from Nature
Three cutting-edge medical technologies inspired by biodiversity. This Bio Bulletin snapshot is third in a series to celebrate the 2010 International Year of ...
American Museum of Natural History
Science Bulletins: GRAIL Spacecraft Ready to Map the Moon
NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission has put a pair of nearly identical spacecraft in orbit around the Moon. By using radio waves to ...
American Museum of Natural History
Science Bulletins: Brown Widow Spiders Invade Southern California
In the last decade, brown widow spiders have made a home for themselves in parts of Southern California, a region once dominated by the more venomous ...
American Museum of Natural History
Science Bulletins: Eight New "Natural Wonders" Listed
In July, the United Nations Educational, Scientific, and Cultural Organization (UNESCO) added eight new natural sites to its World Heritage List. The designation ...
American Museum of Natural History
Science Bulletins: How Old is "Old"?
The human population in the U.S. and Canada is getting older—meaning that the proportion of elderly people is growing year by year. By 2050, researchers ...
American Museum of Natural History
Science Bulletins: New Evidence of Water on Asteroids
For the first time, researchers have detected water on an asteroid. Two research teams independently determined that the 24 Themis asteroid, which orbits ...
American Museum of Natural History
Science Bulletins: Shrinking Glaciers—A Chronology of Climate Change
Analysis of Earth's geologic record can reveal how the climate has changed over time. Scientists in New Zealand are examining samples from the rocky ...
American Museum of Natural History
Science Bulletins: "Hobbit" Study Takes a Step Forward
A recent study of the foot of the tiny extinct "hobbit" shows that this unusual hominid couldn't run easily. The work, which was led by AMNH research scientist ...
American Museum of Natural History
Science Bulletins: Supernovas Step by Step
Scientists are reproducing supernova explosions on computer screens.
American Museum of Natural History
Science Bulletins: Sharks—the Present (1 of 2)
Marine biologists in South Carolina head out on the water to catch and tag sharks, and to collect genetic samples that will be analyzed back in the lab.
American Museum of Natural History
Science Bulletins: The Final Voyage of Enterprise
Shuttle Orbiter Enterprise was the first of NASA's space shuttles. Its original name, "Constitution", commemorated the United States Bicentennial in 1976, but a ...
American Museum of Natural History
Science Bulletins: New Fossils Extend Branches of Family Tree
Interpretation of fossil finds and what they imply about human evolution often mean different things to different scientists. To many, evidence shows that the ...
American Museum of Natural History
Science Bulletins: Tibetans Show Recent Evolution
To understand how the native people of the Tibetan plateau have adapted to their extreme low-oxygen environment, several research teams are comparing the ...
American Museum of Natural History
Science Bulletins: How Did Saturn Get Its Rings?
Astronomers propose a new theory to explain Saturn's unusual rings.
American Museum of Natural History
Science Bulletins: Stem Cells Made from Eggs Alone
Stem cells are cells that can develop into virtually any type of body tissue. Evenutally, it may be possible to use stem cells to create healthy tissues to replace ...
American Museum of Natural History
Science Bulletins: Immune "Army" Can Fight HIV
Some people who contract the HIV virus stay healthy for decades. Scientists working towards HIV vaccines seek out these rare patients, who are called elite ...
American Museum of Natural History
Science Bulletins: Ardi Unveiled
Fifteen years after the first fragments of a nearly complete skeleton of Ardipithecus ramidus were found in Ethiopia's fossil-rich Awash River Valley, ...
American Museum of Natural History
Science Bulletins: Fuller Gene Map May Help Disease Study
Scientists have released the largest survey yet of human genetic variation.
American Museum of Natural History
Science Bulletins: Early Migration for Modern Humans
When did modern humans make their first appearance in Europe? A jawbone excavated in England and two molars found in southern Italy suggest that modern ...
American Museum of Natural History
Science Bulletins: Gene Patterns Point to Long Lives
To better understand the biology of healthy aging, the Boston University School of Medicine is studying a unique population of Americans—centenarians, ...
American Museum of Natural History
Science Bulletins: Extinct Cave Bear DNA Decoded
Scientists have traditionally looked to fossil evidence of extinct species to understand how Earth's plant and animal life evolved from ancestral forms.
American Museum of Natural History
Science Bulletins: New Fossil Show Ancient Disease
Tuberculosis has a long history in humans. While Egyptian mummies a few thousand years old show evidence of the disease, a new fossil find traces the ...
American Museum of Natural History
Science Bulletins: Decoding the DNA of Extinct Species
Caves were important refuges for humans and animals that coexisted during the late Pleistocene, the epoch of ice ages that ended 10000 years ago.
American Museum of Natural History
Science Bulletins:Tuberculosis's Hidden Strategy
Tuberculosis can linger for years, but usually carries no symptoms. Scientists from the International Center for Genetic Engineering and Biotechnology in India ...
American Museum of Natural History
Science Bulletins: An Odd Ellipse
A new Hubble Space Telescope image shows a galaxy with a complex identity.
American Museum of Natural History
Science Bulletins: WISE Focus on Infinity
On September 30, 2010, a NASA space telescope called the Wide-field Infrared Survey Explorer, or WISE, completed its sweeping goal: to record observations ...
American Museum of Natural History
Science Bulletins: Signs of Speech Ability Seen in Neanderthals
Could Neanderthals speak? Researchers from the Max Planck Institute for Evolutionary Anthropology in Germany—the same team that sequenced large ...
American Museum of Natural History
Science Bulletins: Bipolar Disorder and the Body Clock
Many body processes operate on 24-hour cycles called circadian rhythms. Triggered by the environmental cue of daylight, circadian rhythms are complex series ...
American Museum of Natural History
Science Bulletins: The Transit of Venus
For a handful of hours in June 2012, Venus's orbit carried it directly across the face of the Sun, providing a spectacular backlit view visible from Earth. Only six ...
American Museum of Natural History
Science Bulletins: "Body Clock" Found in Bone
Many body processes operate in rhythms, often called "biological clocks." A team of researchers led by Timothy Bromage at the New York University College of ...
American Museum of Natural History
Science Bulletins: Baby Black Hole Lives Close By
Astronomers say a black hole recently formed in a nearby galaxy.
American Museum of Natural History
Science Bulletins: Mammal Migrations under Threat
The migrations of many large hoofed mammals are in serious decline worldwide, says a new report led by Grant Harris of the Center for Biodiversity and ...
American Museum of Natural History
Science Bulletins: Stem Cell Advance Study of Lou Gehrig's Disease
Lou Gehrig's disease, or amyotrophic lateral sclerosis (ALS), has no cure. It causes motor neurons in the central nervous system to shrink, resulting in severe ...
American Museum of Natural History
