After implantation, the tissue developed blood vessels and became integrated into neuronal networks in the animals’ brains.
Growing evidence points to a once-habitable world—and recent findings suggest that life could exist on Mars today.
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The fossil booty includes some eggs with embryo remains inside, and points to group nests involving long-term parental care.
Scientists have identified a new genus of extinct horse that lived in North America during the last ice age.
Lab experiments and metagenomic analyses of flies’ resident bacteria indicate that the insects carry microbes from place to place on their legs.
The 10-micrometer-long flagellate cell might have a big story to tell about the evolution of eukaryotes.
The Tapanuli orangutan has been identified as the newest species of great ape, but also likely the most endangered.
The phenomenon is one of the few examples of eavesdropping across the vertebrate/invertebrate barrier.
Insects feast on amorous tungara frogs by eavesdropping on their amphibian love songs.
These insect transplants have the potential to wreak economic havoc by outcompeting native insects and destroying crops.
Ancient fossils reveal how woodless trees got so big: by continuously ripping apart their xylem and knitting it back together.
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