It has long been observed that men with older brothers are more likely to be gay, but an association has also been found with older sisters. This sheds further light on how a mother's immune system may be involved in sha
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The science behind greener, healthier lawns
3D scans reveal how lichen fungi grip algae across cell walls
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Pufferfish taste receptor more versatile than a human's, detecting both savory L- and sweet D-amino acids
When equity appeals inspire giving to classrooms, what they signal matters
How some cyclists paradoxically start 'from rest' with a non-zero velocity