« previous next »
« previous next »
 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Proteolytic fragments of an IgG molecule Proteolytic fragments of an IgG molecule
A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y
Rock Climbing Catfish Rock Climbing Catfish
Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan
Similar Rock Outcrops on Mars and Earth Similar Rock Outcrops on Mars and Earth
Two Models for the Origin of H. sapiens Two Models for the Origin of H. sapiens
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library