Featured series 
Tag: OEB
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Nation & World
Why are hybrid animals sterile?
Study of crossbred butterflies suggests multiple genes involved
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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
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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Nation & World
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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Nation & World
Why were reptiles such evolution success story?
Fast climatic shifts due to global warming coincided with high rates of morphological change in most reptiles.
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Nation & World
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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Nation & World
A second look at evolution
Researchers find clues to evolution in the intricate mammalian vertebral column.
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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
Future M.D.’s passion to help comes in many forms
Cynthia Luo, who’s concentrating in both molecular and cellular biology and English, was inspired by her time in Uganda to become a physician and improve global health.
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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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Nation & World
Pecking order
Harvard researchers have found that a new investigation of tissues and signaling pathways in finches’ beaks reveals surprising flexibility in the birds’ evolutionary tool kit.
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Nation & World
First lizard genome sequenced
The green anole lizard is an agile and active creature, and so are elements of its genome. This genomic agility and other new clues have emerged from the full sequencing of the lizard’s genome and may offer insights into how the genomes of humans, mammals, and their reptilian counterparts have evolved since mammals and reptiles…
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Nation & World
Cultivating trouble
Only 39 percent of the nearly 10,000 North American plant species threatened with extinction are being maintained in collections, according to the first comprehensive listing of the threatened plant species in Canada, Mexico, and the United States.
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Nation & World
Sweeping for Thompson Island Hoppers
Education meets hands-on science as roughly 100 Harvard undergraduates fan out from beach to beach collecting insects for a new database of Harbor Island insect life.