News
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Materials ScienceThese colorful butterflies were created using transparent ink
See-through printer ink can create a whole spectrum of colors when printed in precise, microscale patterns.
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PaleontologyThis is the oldest fossil evidence of spider moms taking care of their young
A spider trapped in amber 99 million years ago guarded her eggs and may have helped raise her young.
By Freda Kreier -
Anthropology‘Ghost tracks’ suggest people came to the Americas earlier than once thought
Prehistoric people’s footprints show that humans were in North America during the height of the last ice age, researchers say.
By Freda Kreier -
AnimalsBloodthirsty vampire bats like to drink with friends over strangers
Cooperation among vampire bats extends beyond the roost.