News
- Planetary Science
A sunrise view of Mars
The first high-resolution images sent by the Mars Reconnaissance Orbiter support the notion that water once flowed across much of the Red Planet.
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Horns vs. Sperm: Male beetles on tight equipment budget
A group of dung beetle species that sprout elaborate horns often face trade-offs between horn and testes sizes.
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Autism’s DNA Trail: Gene variant tied to developmental disorder
A study of more than 700 families with children diagnosed with autism has identified a gene variant, already known to affect brain formation, that boosts a person's chances of developing this severe disorder.
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Air’s oxygen content constrains insect growth
The size to which insects grow is limited by their need to route oxygen to tissues in their legs.
