Our editors scrounged up some truly bizarre facts.
Or why some of us do, anyway.
Looks matter, but so do sounds and smells.
A bacterium uses a pheromone to kill other members of its species
What makes each bear species stand out against the rest?
Electrons' spin may give rise to a force that allows particles to interact over very long distances.
New research strengthens the link between physical attributes and baby-making potential
And if so, why?
A new treatment could save some of the hundreds of thousands of Americans dying sepsis-related deaths every year
The Eiffel Tower? Predictable. Space Mountain? Kid stuff. This summer, wow the family with reality instead. Visit atom smashers, corpse farms and other wild scientific hotspots
Hormonal states cause fluctuating levels of attraction
Will science find us a new one?
Saving the Storsjoe Monsters!
Additional Gray Matter columns
Physics can't find the biggest thing in the known universe, so it's looking beyond our paltry three dimensions. Michael Moyer enters the zone of insanely hard mathematics, translates what he finds into plain English, and makes it back alive.
If you cheat on your spouse, you can't yet plead biochemistry in divorce court. But rodent-brain research sheds light on why some lovers stay, some stray.
In this intimate interview, hear insights about Sir Ernest Shackleton and the Endurance voyage as only a devoted granddaughter can have them.
The science and the fiction of time travel are weird. But the science is weirder.