Jennifer Welsh

Be careful when a man calls you into his office — you might pick up his germs.

The genome of the garden tomato and its wild ancestor hold clues to even tastier tomatoes.

The reptile's odd chewing mechanism makes it one of the only reptiles that chew their food.

Just the touch of a man's hand can make women hot and bothered, though they don't always notice it.

In early human evolution, when faithful females began to choose good providers as mates, pair-bonding replaced promiscuity, new research suggests.

It took at least 10 million years for Earth to get back on track after losing 90 percent of its species.

Different mutations in the same gene are responsible for two polar-opposite diseases.

Having a positive outlook maybe related to your genes, and the likelihood you'll make it to 100.

Knowing more about what makes men fertile can also help fight infertility.

Also in the works: A computer than can tell when you are pissed at it.

Bone flutes would have brought music to ancient humans.

An octopus will turn itself into a conch shell or coral reef to avoid being eaten.

Special adaptations allow blue whales to grub on a school of fish in one bite.

Are parents happy? New research adds fuel to the fire.

Ancient South-central Mexicans got in on the 'ballgame.'

A study of twins determined their genetics are less important than environmental factors on their hormone levels.

Ancient whale genes indicate their population dropped when whaling took off.

Different chimp cultures use different tools to crack nuts.

Children tend to have more gut microbe variability than adults, too.

Large numbers of sea striders eggs could dramatically change the ecosystem.

Practicing traumatic insemination isn't good for your health.

A 4-year-old human ancestor sheds light on hominin brain evolution.

They tend to overshoot sharp turns, too.

Methane produced by dinosaur's digestion could have impacted the prehistoric climate.