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IMAGE: A CT scan image of the spiral intestine of a Pacific spiny dogfish shark (Squalus suckleyi). The beginning of the intestine is on the left, and the end is on. view more
Credit: Samantha Leigh/California State University Dominguez Hills
Contrary to what popular media portrays, we actually don t know much about what sharks eat. Even less is known about how they digest their food, and the role they play in the larger ocean ecosystem.
For more than a century, researchers have relied on flat sketches of sharks digestive systems to discern how they function and how what they eat and excrete impacts other species in the ocean. Now, researchers have produced a series of high-resolution, 3D scans of intestines from nearly three dozen shark species that will advance the understanding of how sharks eat and digest their food.
Roy Moore announced his candidacy for the U.S. Senate on Thursday, defying Republican leaders who urged the polarizing jurist not to run for the Alabama seat they hope to reclaim in 2020. A former chief justice known for hardline stances against gay marriage and for the Ten Commandments, Moore is aiming for an eventual rematch against Democratic Sen. Doug Jones,. PRESIDENT Jun 19, 2019
Winter hit U.S. honeybees hard with the highest loss rate yet, an annual survey of beekeepers showed. The annual nationwide survey by the Bee Informed Partnership found 37.7% of honeybee colonies died this past winter, nearly 9 percentage points higher than the average winter loss. The survey of nearly 4,700 beekeepers managing more than 300,000 colonies goes back 13 years.
Roy Moore announced his candidacy for the U.S. Senate on Thursday, defying Republican leaders who urged the polarizing jurist not to run for the Alabama seat they hope to reclaim in 2020. A former chief justice known for hardline stances against gay marriage and for the Ten Commandments, Moore is aiming for an eventual rematch against Democratic Sen. Doug Jones,. Maryland Jun 19, 2019
Winter hit U.S. honeybees hard with the highest loss rate yet, an annual survey of beekeepers showed. The annual nationwide survey by the Bee Informed Partnership found 37.7% of honeybee colonies died this past winter, nearly 9 percentage points higher than the average winter loss. The survey of nearly 4,700 beekeepers managing more than 300,000 colonies goes back 13 years.