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February 6, 2012
Studies of diving beetles suggest sperm evolution may be driven by changes in female reproductive organs, challenging the paradigm of post-mating sexual selection being driven mostly by competition among sperm. In the process, the researchers discovered an unexpected and stunning variety of sperm form and behavior.
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May 30, 2024
What’s to prevent pups, with a snout that resembles a hedge trimmer, from slicing and dicing each other in mom’s uterus? Scientists have the answer.
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March 20, 2012
A new imaging system, developed in MIT's Media Lab, could use opaque walls, doors or floors as "mirrors" to gather information about scenes outside its line of sight.
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April 4, 2012
Observations by the two of the European Space Agency's space observatories have provided a multi-wavelength view of the mysterious galaxy Centaurus A. The new images, from the Herschel Space Observatory and the XMM-Newton X-ray satellite, are revealing further hints about its cannibalistic past and energetic processes going on in its core.
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March 27, 2012
Amid concerns about possible terrorist attacks with nuclear materials, and fresh memories of environmental contamination from the 2011 Fukushima Daiichi nuclear disaster in Japan, scientists today at the 243rd National Meeting & Exposition of the American Chemical Society described development of a capsule that can be dropped into water, milk, fruit juices and other foods to remove more than a dozen radioactive substances.
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November 13, 2024
In this photo taken on Sept. 16, 1993, NASA astronauts James H. Newman (left), and Carl E. Walz evaluate procedures and gear for an upcoming Hubble Space Telescope servicing mission with the Caribbean Sea and part of the Bahama Islands chain in view. Newman and Walz’s spacewalk, part of the STS-51 mission, lasted seven hours, […]
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September 18, 2023
Smaller cells occur in larger numbers in the human body, and cells of different size classes contribute equally to our overall mass.
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December 5, 2025
A reshaped vaccine committee voted to scale back newborn hepatitis B shots despite decades of data showing the birth dose is safe, effective and vital.
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June 14, 2022
The object could be the first isolated stellar-mass black hole identified in the Milky Way — or it might be an unusually heavy neutron star.
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September 23, 2024
Andrea Gomez, a Berkeley molecular and cell biologist, applies her wide-ranging curiosity to brains’ mysteries ranging from synapses to psychedelics.
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