Science Bulletins: Human Stems Cell Breakthrough
A long-sought milestone has been reached in stem cell research: transforming adult cells directly into stem cells without having to use an embryo as a vehicle.
American Museum of Natural History
Science Bulletins: Oil Spills Affect Aquatic Life
Two ship accidents in one week caused more than a million gallons of oil to leak into sensitive marine areas. This Bio Bulletin highlights the locales—San ...
American Museum of Natural History
Science Bulletins: Amazon People Offer Clues to Heart Health
A long-term study of the Tsimane, a traditional community that lives in the Bolivian Amazon, is offering scientists a new perspective on the risks of heart disease.
American Museum of Natural History
Science Bulletins: Ancient "Kitchen" Reveals Modern Hunting Skills
How early humans hunted and ate their food can be a gauge of cognitive ability. It takes more strategic planning to capture large, healthy, adult game, transport it ...
American Museum of Natural History
Science Bulletins: Brain Evolution—The Sweet Smell of Success
A good sense of smell may have contributed to the development of certain kinds of social functions in Homo sapiens, according to a new study. Scientists used ...
American Museum of Natural History
Science Bulletins: Skull fills Gap in Fossil Record
Some periods of human prehistory lack a substantial fossil record in key geographic locations, making it difficult to confirm genetic evidence of modern human ...
American Museum of Natural History
Science Bulletins: Full Gene Set Decoded for Three More People
In June 2000, scientists triumphantly announced they had deciphered the full human genome—the 3.2 billion units of DNA that make up the blueprint for human ...
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: 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: 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: 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: 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: More Roads Encourage Wildlife Poaching
A sweeping satellite analysis by researchers at the Woods Hole Research Center shows that roads have expanded more than expected in central Africa's lush ...
American Museum of Natural History
Science Bulletins: Unraveling the Origins of the Flores Fossils
Since the diminutive hominid fossils—the so-called "hobbits"—were discovered on the Indonesian island of Flores in 2003, scientists have debated where to ...
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: Dung Beetles Help from the Ground Up
Dung beetles, also called scarab beetles, benefit humans and habitats worldwide as they process animal waste. In this video, learn how these insects help—and ...
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: Light Pollution—Beyond the Glare
Scientists have long understood that artificial light can disrupt wildlife that takes cues from natural light. It's becoming increasingly clear that light reflected off ...
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: Ancient Immunity May Have Upped HIV Risk
Retroviruses insert their genetic material into an organism's DNA to replicate. Over time, the viral DNA can inactivate and remain as a "fossil" relic the DNA ...
American Museum of Natural History
Science Bulletins: More Species, Better Water?
Biodiversity benefits humankind in many ways: it can inspire medical innovation, boost human health, and even process waste. Now, an experiment by a ...
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
Science Bulletins: Hubble Tracks the Seasons of Pluto
NASA recently released images of Pluto taken by the Hubble Space Telescope in 2002 and 2003. When compared to images from 1994, the new images show ...
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: Swine Flu: Seeking Genetic Clues
Scientists are quickly sequencing the genes of the swine flu virus, officially called influenza A H1N1, from thousands of patients around the world.
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: Baby Black Hole Lives Close By
Astronomers say a black hole recently formed in a nearby galaxy.
American Museum of Natural History
Science Bulletins: Record- Breaking Fire Season
The southeastern United States is now in its worst drought in over a century. Lack of rain has exacerbated forest fires across the region. Parched bodies of water, ...
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: Guinea Worm—Countdown to Zero
Guinea worm, a painful parasite that once affected millions of people each year, may soon be relegated to the past. Thanks to improved health education and ...
American Museum of Natural History
Science Bulletins: In Hot Pursuit of Asteroids
Asteroids, the rocky remnants left over from the formation of planets in the Solar System, offer scientists a window into the dynamics of this early period. Scientists ...
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
Researchers Discover Rare Fossil Ape Cranium in China
Dr. Denise Su, curator and head of paleobotany and paleoecology at the Museum, discusses a new cranium of a fossil ape from Shuitangba, a Miocene site in ...
Cleveland Museum of Natural History
Science Bulletins: The Roots of a Malaria Menace
Malaria kills more than a million people every year. Recently, an international team of biologists used genetic techniques to trace how the malaria parasite ...
American Museum of Natural History
Science Bulletins: Blocking Malaria from the Blood
To fuel new malaria drugs, scientists are studying how malaria parasites gain access to red blood cells. Australian researchers recently discovered a surface ...
American Museum of Natural History
Science Bulletins: Obesity's Genetic Markers
The rise in obesity in many modern societies is largely a result of environmental influences, yet genetic factors can make people more susceptible to weight gain.
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: Making Faces for Survival
Ask any person, from any country‚ to make a fearful face and you'll get the same response-eyebrows raised, eyes wide open, flared nostrils. A disgusted face, on ...
American Museum of Natural History
Science Bulletins: New Brain Model of Earliest Primate
Researchers from the universities of Florida and Winnipeg have reconstructed the brain of Ignacius graybullianus, one of the earliest primates known, from a ...
American Museum of Natural History
Science Bulletins: Neanderthal Genome Sheds Light on Humanity
Neanderthals were our closest relatives. These stocky, heavy-browed humans lived from about 200000 to 30000 years ago in Eurasia and the Middle East.
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: Ship Camera Maps Slimy Invader
Eager for a low-impact way to tally scallops in the highly productive fishing waters off Cape Cod, local scallop fishers teamed with scientists and engineers at the ...
American Museum of Natural History
