From Molecules to Organisms: Structures and Processes
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LifeScientists Say: Fruit
Some foods usually called vegetables — such as tomatoes, cucumbers and peppers — are actually fruits.
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AnimalsSea creatures’ fishy scent protects them from deep-sea high pressures
TMAO’s water-wrangling ability protects a critter’s critical proteins — including muscle — from crushing under deep ocean pressures.
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AnimalsThis acrobatic spider flips for its food — literally
An acrobatic hunting trick lets the Australian ant-slayer spider catch prey twice its size, a new study shows.
By Freda Kreier -
Health & MedicineScientists Say: Liver
This organ in the upper-right side of the belly does many essential jobs, such as cleaning blood and producing bile.
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Health & MedicineHow sunshine may make boys feel hungrier
Males eat more on long summer days, but females do not. Hormones may explain this difference.
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ChemistryLego-like way to snap molecules together wins 2022 chemistry Nobel
This so-called ‘click chemistry’ allows scientists to build complex molecules in the lab and in living cells.
By Meghan Rosen and Nikk Ogasa -
GeneticsExamining Neandertal and Denisovan DNA wins a 2022 Nobel Prize
Svante Pääbo figured out how to examine the genetic material from these hominid ‘cousins’ of modern humans.
By Tina Hesman Saey and Aimee Cunningham -
AnimalsLiving mysteries: This critter has 38 times more DNA than you do
The genomes of salamanders are bloated with genetic “parasites.” That extra DNA slows down their lives and strands them in perpetual childhood.
By Douglas Fox -
LifeScientists Say: Fungi
Although some fungi can cause diseases, others can be eaten, used to make medicines or serve other useful functions.
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AnimalsHow boa constrictors squeeze their prey without strangling themselves
Tracking boas’ ribs in X-ray videos revealed the snakes’ squeezing secrets. It’s the latest Wild Things cartoon from Science News Explores.
By Maria Temming and JoAnna Wendel -
AnimalsAncient ‘ManBearPig’ mammal lived fast — and died young
Developing in the womb for a while — but being born ready to take on the world — may have helped post-dinosaur mammals rise to dominance.
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ChemistryNo sun? No prob! A new process might soon grow plants in the dark
Teamwork makes green-work! Collaborating scientists came up with an electrifying farming trick that could make sunlight optional.