Why do some animals have sperm 20 times the length of their bodies?
All sperm perform the same basic job: They fertilize egg cells. But in a new study, researchers have figured out
Read more
What Is Leptospirosis, The Rare Disease That Can Be Spread From Animals to Humans?
A rare bacterial disease has been found in some dogs in the US—and it has the potential to spread to humans.
Read more
More than Lyme: Tick study finds multiple agents of tick-borne diseases
In a study published in mBio, a journal of the American Society for Microbiology, Jorge Benach and Rafal Tokarz, and
Read more
Anxiety-associated brain regions regulate threat responses in monkeys: Study proposes critical role for orbitofrontal cortex in anxiety disorders
Damage to parts of the orbitofrontal cortex (OFC), a region within the prefrontal cortex, heightens monkeys’ defensive responses to threat,
Read more
Japan okays research using human cells in animals
Japan has given the green light to a controversial research process involving implanting animals with human stem cells that could
Read more
New study finds ‘timing cells’ in the brain may underlie an animal’s inner clock
Are you taking your time when feeding your pet? Fluffy and Fido are on to you—and they can tell when
Read more
Mouse shows potential as an animal model of decision-making
Mice can be used to study the neural circuits underlying complex decision-making, suggests an analysis of more than 500,000 mouse
Read more
Flirting flies: More than just winging it
Studies of the song of the fruit flies reveal new findings of how the neurons in the brain function. These
Read more
Forest ecology shapes Lyme disease risk in the eastern US: Predators, acorns, & fragmentation regulate numbers of infected ticks
In the eastern US, risk of contracting Lyme disease is higher in fragmented forests with high rodent densities and low
Read more