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Photograph looking up a tree trunk
Contrary to Common Belief, Some Older Trees Make Fewer Seeds
An analysis of more than half a million trees reveals that many species begin to taper off seed production once they hit a certain size.
Contrary to Common Belief, Some Older Trees Make Fewer Seeds
Contrary to Common Belief, Some Older Trees Make Fewer Seeds

An analysis of more than half a million trees reveals that many species begin to taper off seed production once they hit a certain size.

An analysis of more than half a million trees reveals that many species begin to taper off seed production once they hit a certain size.

reproducion

A graphic of the female reproductive system
Differentiated Stem Cells Can Kickstart Fertility in Mice
Aparna Nathan, PhD | Oct 23, 2023 | 3 min read
Ovarian cells derived from stem cells restore hormones and cells needed to produce pups.
Image of the Day: Whale Shark Sonogram
Ashley Yeager | Nov 2, 2018 | 1 min read
Scuba diving alongside the fish, scientists used ultrasound equipment to image females’ reproductive organs.
Ancient Reproduction
Kerry Grens | Aug 5, 2015 | 2 min read
Deep-sea rangeomorphs that lived more than 540 million years ago used two methods of reproduction, according to a study of fossils.
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