Biology and Anatomy News

Date Posted
Article Title
Fossil Suggests Humans Walked Upright 3 Million Years Ago

Foot bone shows permanent arch, much like modern humans, experts say

Electrical Stimulation of the Brain May Spark Insight

Noninvasive procedure spurred study volunteers to come up with fresh ways to solve a problem

Brisk Walks May Boost Memory in Older Adults

After one year of exercise, hippocampus region was bigger, study finds

Ancient Toolkit Holds Clues to Migration of Early Man

Finding sheds light on how modern humans became a 'global species,' researcher says

Meditation Appears to Cause Changes in Brain's Gray Matter

MRI scans show increased volume in parts of brain linked to empathy, awareness

Nose May Be Best Place to Screen for MRSA Infection

High levels of the bacteria there means other body sites are likely colonized, study finds

Size of Key Brain Region Linked to Size of Your Social Network

Study found that the amygdala, involved with emotions, may predict number, richness of relationships

Species Extinctions May Spell Trouble for Human Health

Scientists warn that loss of plants, animals could increase spread of infectious diseases

New Piece of Alzheimer's Puzzle Identified

Changes in lining of blood vessels appear to contribute to disease, researchers say

Brain Scan Might Someday Spot Autism

Type of MRI showed structural differences in brain circuitry in males with the disorder

Mammals Grew Big After Dinosaurs Died Off: Analysis

Less competition for food led to rapid evolution, researchers suggest

Fossil Teeth of Neanderthals Reveal Fast Track to Maturity

Modern humans benefit from slower growth, longer lives, researchers say

Gestational Period Depends on Structure of Placenta: Research

Human pregnancy is longer compared with some other mammals due to limited tissue connections

Fat Cells Grow Differently in Belly Vs. Bottom

In abdomen, cells expand in size, but in lower body, number of cells increases, scientists find

Her Anatomy Speaks Volumes to Men: Study

For a fling, guys eye bodies; for commitment, faces, researchers say

Nasal Problems, Asymmetry Top Reasons for 2nd Nose Job

Common requests are to make nose tip symmetrical, improve breathing, study finds

Feeling Introspective? Your Brain Structure May Be Key

Those good at 'thinking about thinking' have more gray matter in certain area of the brain, scans show

In Triathletes, Heart Adapts for Efficiency, Scans Show

Combining endurance and resistance training best for optimal cardiac health, study suggests

Slowed Reflexes in Aging Could Be Due to Brain Changes

When 'cross-talk' in brain starts to overlap, reaction time is affected, study finds

Osteoarthritis Risk May Be Higher If Knees Point Outward

Leg alignment seems to play role in distribution of joint stress, research suggests

Positive Brain Changes Seen After Body-Mind Meditation

Improved connections in areas regulating emotions become clear after 11 hours of training, scans show

Dogs' Features Set By a Handful of Genetic Regions: Study

Finding may eventually help scientists better understand inherited physical traits in humans

Brain Research May Help Predict Anxiety, Depression in Young

Study in monkeys could lead to treatments for vulnerable kids

Wider Waist May Raise Death Risk Later in Life

Study suggests it increases chances of heart trouble, cancer, respiratory disease, independent of weight

Research Illuminates How the Human Neck Developed

Using genetics, scientists discovered anatomical changes that helped the brain advance in people

Higher Education Level May Help Brain Cope With Dementia

Physical changes occur in all aging brains, but more schooling seems to delay symptoms, study found

Brain Structure Changes Found in Irritable Bowel Patients

Comparison scans between women with and without disorder show differences in gray matter: report

Those To-Die-For High Heels May Alter Anatomy

Calf muscle shortens and Achilles tendon thickens over time, study finds

How Brain Organizes Info Doesn't Depend on Sight

Scans revealed that thought processes occurred in same areas for sighted and blind people, study found

Your Intellect Might Be Reflected in Your Body Symmetry

People with equal measurements on right, left sides tend to be smarter, analysis suggests

Creativity, Schizophrenia Share Similarities in the Brain

Finding may explain why both groups tend toward unusual thoughts and concepts, researchers say

Research Reveals Secret of Spitting Cobras' Aim

Snakes spray venom in victims' eyes by predicting movements, researchers say

Depression After Heart Attack Tied to Brain Changes

Longer-term studies needed to see whether psychological or physical symptoms occur first

Brain Develops Differently in Fragile X Syndrome

MRI scans reveal anatomical alterations in children with genetic disorder

Typical Male Behavior Comes From Estrogen, Too

Both male and female hormones play role in making men masculine, research shows

Analysis Finally Clears Donner Party of Rumored Cannibalism

No human bones found in hearth at campsite where group was trapped by snowstorm in 1846

Study Explores Possibility of a Female Viagra

Research in animals may lead to treatment for women with sexual disorder

Science Reveals Secrets of Animals' Spots, Stripes

Research in fruit fly gives insight into patterns, coloring for species generally

Humans' Tree-Dwelling Ancestors May Have Also Walked Upright

Bipedalism possible more than 3 million years ago, findings suggest

Small Dogs Traced Back to Middle Eastern Wolf

Gene suggests that domestication began 12,000 years ago, researchers say

Anxiety Disorder Patients Process Emotions Differently

MRI scans show abnormal brain activity, researchers say

Flat Head Syndrome Linked to Developmental Delays

More study needed to see if one causes the other in infants, researcher says

Scientists Spot Genes Tied to Aging

Some people are programmed to age at a faster rate, study says

Amputation Affects Sexes Differently

Women report more anxiety, trouble with daily living, study finds

Brain Scans Reveal Video Gamers' Secrets

Certain regions of striatum were larger in best players, study found

Need a New Hand? One Day, You May Be Able to Regrow One

Research in salamanders is lighting the way to human limb regeneration, scientists say

Poison Likely Helped Prehistoric 'Raptor' Kill Prey

Bird-like dinosaur probably used venom to shock victims before eating them alive, researchers suggest

Facial Symmetry May Be Best Beauty Secret

Average ratio of features seems to be the key to physical attractiveness, study finds

Puberty May Trigger Sleep Apnea in Overweight Kids

Obesity combined with developmental changes increases risk in teens, study suggests

Fossil Discovery Sheds Light on Dinosaur Lineage

Previously unknown meat-eater adds insight into skeletal evolution of species, experts say