Tag: Organismic and Evolutionary Biology
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Nation & World
500-million-year-old fossil reveals new secrets
A new discovery, named Megasiphon thylakos, offers surprising insights on the evolution of tunicates.
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Nation & World
Getting to root of possible carbon storage changes due to climate change
New study looks at the dynamics of how warming may affect carbon capture in soil near trees and plants.
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2 very different microbes immune to the same viruses? Scientists were puzzled.
Genomic analysis suggests host diversity is far greater than previously thought.
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How does infection change social behavior?
A new study illuminates the way pathogens — and pheromones — alter social behavior in animals.
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Nation & World
Seeking clues to how shifting climate may change ocean ecosystems
By studying the fossil record of one group of organisms, researchers now worry that human-driven climate change may return us to an “Earth of 8 million years ago … detrimentally restructuring the marine communities of the entire ocean.”
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Looking to retain most potent regenerative stem cells
Early on human bodies are full of pluripotent stem cells, capable of generating any other type of cell. The problem is we lose them at birth.
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With a tip of hat to Stephen Jay Gould
Research done at Harvard unveils only the second “weird wonder” fossilized Opabinia, first popularized by the late evolutionary biologist.
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Zooming to the ocean floor
OEB 119 students are patched in via livestream and a satellite call to a team of researchers leading an exploration on the seafloor.
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Five faculty members named Harvard College Professors
Five faculty members have been named Harvard College Professors for their contributions to undergraduate teaching.
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Nation & World
Early responses indicate shift to online classes going well overall
Harvard professors offer early responses to teaching online, with some finding hitches tempered by surprising benefits.
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Nation & World
A second look at evolution
Researchers find clues to evolution in the intricate mammalian vertebral column.
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Giving teachers a DNA refresher
Mansi Srivastava’s lab worked with middle school teachers in an education workshop on DNA and evolution.
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Nation & World
Beneath the surface
New study debunks long-held theory that dolphins had ridged skin, which helped them swim faster.
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Nation & World
Debunking old hypotheses
Biology Professor Cassandra G. Extavour debunks old hypotheses about form and function on insect eggs using new big-data tool
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Nation & World
Oceans away
A new NASA-funded program will study water worlds and environments to understand the limits of life as part of the search for life on other planets.
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Nation & World
‘Adventuring with purpose’
Harvard’s Liz Roux could look back on sorrow and tragedy, but she runs looking ahead, at adventures and opportunities and people to encourage her.
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Nation & World
Researcher connects the dots in fin-to-limb evolution
With an innovative technique called anatomical network analysis, clear patterns emerge that help solve the puzzle of how fins became limbs 420 million years ago.
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Searching for answers in what lemurs leave behind
Harvard College senior Camille DeSisto’s love of the environment took her around the world to Madagascar’s tropical forests.
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Science fare
To highlight the range of research being done in Harvard’s science labs, we recently visited students doing hands-on work in fields from quantum science to biology to chemical engineering.
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Nation & World
Cracking the egg
Mary Caswell Stoddard of Harvard’s Society of Fellows is bringing an interdisciplinary approach to her study of bird eggs.
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Nation & World
All goes swimmingly
Using simple hydrodynamics, a team of Harvard researchers was able to show that a handful of principles govern how virtually every animal — from the tiniest fish to birds to the largest whales — propel themselves through the water.
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When cooperation counts
A new study conducted by Harvard scientists shows that in deer mice, a species known to be highly promiscuous, sperm clump together to swim in a more linear fashion, increasing their chances of fertilization.
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Nation & World
A successful community experiment
A Harvard program that welcomes high school interns to learn science in the lab often sets them on new academic and career paths.
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Nation & World
Saving tortoises by a hair
Five species of giant, long-lived Galapagos tortoises are thought to have gone extinct, but recent DNA analysis shows that some may survive on other islands in the archipelago, according to work by Michael Russello, Harvard Hrdy Fellow in Conservation Biology.
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Nation & World
Three days, three wild finds
Tim Laman, an associate of Harvard’s Museum of Comparative Zoology and an award-winning wildlife photographer, was part of a two-man team that helicoptered into a remote Australian rainforest earlier this year, coming out with three new species: two lizards and a frog.
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Nation & World
Stages of bloom
Harvard researchers have solved the nearly 200-year-old mystery of how Rafflesia, the largest flowering plants in the world, develop.
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Nation & World
Clues to cholera resistance
Researchers have long understood that genetics can play a role in susceptibility to cholera, but a team of Harvard scientists is now uncovering evidence of genetic changes that might also help protect some people from contracting the deadly disease.