For sperm, faster isn't always better: New study uncovers a reproduction conundrum
When it comes to sperm meeting eggs in sexual reproduction, conventional wisdom holds that the fastest swimming sperm are most likely to succeed in their quest to fertilize eggs. That wisdom was turned upside down in a new ...
Even Usain Bolt can't beat greyhounds, cheetahs... or pronghorn antelope
Even Usain Bolt, currently the fastest man in the world, couldn't outpace greyhounds, cheetahs, or the pronghorn antelope, finds a light-hearted comparison of the extraordinary athleticism of humans and animals in the Veterinary Re ...
Human cells, plants, worms and frogs share mechanism for organ placement
As organisms develop, their internal organs arrange in a consistent asymmetrical pattern--heart and stomach to the left, liver and appendix to the right. But how does this happen?
Veterinary vaccines found to combine into new viruses, prompting regulatory response
Research from the University of Melbourne has shown that two different vaccine viruses- used simultaneously to control the same condition in chickens- have combined to produce new infectious viruses, prompting ...
Dissonant music brings out the animal in listeners: researchers
(Phys.org) -- Ever wonder why Jimi Hendrix's rendition of "The Star-Spangled Banner" moved so many people in 1969 or why the music in the shower scene of "Psycho" still sends chills down your spine?
Vertebrates share ancient neural circuitry for complex social behaviors: study
Humans, fish and frogs share neural circuits responsible for a diversity of social behavior, from flashy mating displays to aggression and monogamy, that have existed for more than 450 million years, biologists at The University ...
Anthropologists find American heads are getting larger
White Americans' heads are getting bigger. That's according to research by forensic anthropologists at the University of Tennessee, Knoxville.
Research suggests cells communicate via biophotons
Why women wiggling in high heels could help improve prosthetic limbs and robots
People walking normally, women tottering in high heels and ostriches strutting all exert the same forces on the ground despite very differently-shaped feet, according to research funded by the Wellcome Trust ...
Is a new form of life really so alien?
The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...
Shedding light on debate over organic vs. conventional agriculture: Study calls for combining best of both approaches
(Phys.org) -- Can organic agriculture feed the world?
From beaker to bits: Collaboration creates computational model of human tissue
Computer scientists and biologists in the Data Science Research Center at Rensselaer Polytechnic Institute have developed a rare collaboration between the two very different fields to pick apart a fundamental roadblock to ...
With you in the room, bacteria counts spike
A person's mere presence in a room can add 37 million bacteria to the air every hour -- material largely left behind by previous occupants and stirred up from the floor -- according to new research by Yale University engineers.
Testosterone low, but responsive to competition, in Amazonian tribe
(PhysOrg.com) -- It's a rough life for the Tsimane, an isolated indigenous group in Bolivia. They make a living by hunting and foraging in forests, fishing in streams and clearing land by hand to grow crops. ...