Notebook
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Math
Father-son mathematicians fold math into fonts
MIT’s Erik and Martin Demaine create puzzle typefaces to test new ideas.
By Meghan Rosen -
Earth
Cloud seeding fueled fire about weather modification
Experiments in 1964 resulted in “exploding” clouds.
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Tech
Robots start flat, then pop into shape and crawl
The machines use heated hinges to transform into shape and crawl around.
By Meghan Rosen -
Animals
‘Octomom’ sets egg-brooding record
The deep ocean reveals a new record as an octopus mom broods the same clutch of eggs for almost 4.5 years.
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Animals
Parchment worms are best pinched in the dark
Meek tube-dwelling worms have strange glowing mucus and build papery tubes.
By Susan Milius -
Health & Medicine
Boot camp bug
Adenoviruses, which cause respiratory illnesses including some colds, plague boot camps.
By Nsikan Akpan -
Life
Chemical evidence paved way for discovery of early life
The discovery in 1964 of compounds related to chlorophyll in billion-year-old rocks pushed back the timing of life’s origins.
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Animals
Elephant’s big nose wins most sensitive sniffer
A genetic survey reveals that African elephants harbor more smell sensors than any other known animal.
By Nsikan Akpan -
Paleontology
Baby mammoths died traumatic deaths
CT scans show that two young mammoths probably suffocated.
By Meghan Rosen -
Animals
Elephant shrews are, oddly, related to actual elephants
A new species in the group is the smallest yet, with adults smaller than a newborn kitten.
By Susan Milius -
Animals
New water bear species found in Antarctica
A tiny creature called a tardigrade could shed light on how animals reached the far southern continent.
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Earth
Humans have long history with causing extinctions
Data suggests major die-offs of large animals during the last Ice Age were linked to people, not climate.