ESCOLA DE CIÊNCIA

Biology · Human Anatomy · High school and introductory university

Sperm cell anatomy: head, midpiece and tail in 3D

Explore sperm cell structure and the roles of its parts in an interactive 3D model.

Biology · Human Anatomy · High school and introductory university

Neck anatomy: muscles, vertebrae, vessels and nerves in 3D

Study cervical structures and their spatial relationships with a rotatable 3D model.

Biology · Human Anatomy · High school and introductory university

Thorax, heart and kidneys: integrated anatomy in 3D

Explore the rib cage, heart, aorta, renal arteries and kidneys with an interactive 3D model.

Biology · Human Anatomy · High school and introductory university

Scalp and skull layers: from skin to bone in 3D

Learn the five scalp layers and how they relate to the skull and facial tissues.

Biology · Human Anatomy · High school and introductory university

Skull, brain and meninges: cross-sectional anatomy in 3D

Study the relationships among skull bones, brain tissue and the three meninges in 3D.

Biology · Human Anatomy · High school and introductory university

Ectopic tooth in the maxillary sinus: anatomy in 3D

Learn what an ectopic tooth is and how its position relates to the maxillary sinus.

Biology · Human Anatomy · High school and introductory university

Pulmonary emphysema: healthy and altered alveoli in 3D

Compare healthy lung structure with emphysema and understand gas exchange.

Biology · Human Anatomy · High school and introductory university

Lumbar disc herniation: protrusion, extrusion and sequestration in 3D

Visualize the intervertebral disc, nerve roots and patterns of displaced disc material.

Biology · Human Anatomy · High school and introductory university

Anterior cruciate ligament tear: knee anatomy in 3D

Understand the ACL, its role in knee stability and what happens when the ligament tears.

Biology · Biochemistry · High School

Nucleic Acids: DNA and RNA - structure and functions

Nucleic acids: DNA and RNA. Structure, nucleotides, double helix, transcription, translation and detailed biological functions.

Biology · Cytology · High School

Prokaryotic and Eukaryotic Cells: differences and examples

Understand the differences between prokaryotic and eukaryotic cells, their structures, organelles, examples and the biological importance of each cell type.

Biology · Human Anatomy · High School

Human Brain: anatomy, cerebral lobes and functions

Human brain: anatomy, frontal, parietal, temporal and occipital lobes. Hemispheres, functions and how the brain controls the body.

Interactive tools

College Admissions

ENEM Score Calculator

Calculate your weighted average with course-specific weights for Brazil's national exam (ENEM). Includes presets for Medicine, Engineering, Law and more.

Biology · Genetics

Punnett Square Calculator

Mono- and dihybrid genetic crosses. Genotypes, phenotypes and offspring ratios based on Mendel's Laws.

Physics · Kinematics

Kinematics Calculator

Solve kinematics problems step by step (constant velocity and constant acceleration). Includes Torricelli's equation for cases without time.

Physics · Dynamics

Newton's Laws Calculator

F = m·a, net force (vector) and inclined plane with friction. Free step-by-step solutions.

Physics · Energy

Mechanical Energy Calculator

Kinetic, gravitational potential and elastic energy, energy conservation and work in a single tool.

Astronomy

Your Age on Other Planets

How old would you be on Mars, Jupiter or Pluto? Calculated from each planet's orbital period.

Astronomy

Your Weight on Other Planets

How much you would weigh on each planet, the Moon and the Sun. Teaches the difference between mass and weight.

Astronomy

Moon Phases and Lunar Calendar

The Moon today, upcoming main phases and a month-by-month lunar calendar with Moon visualization.

Chemistry · Acids and Bases

pH and pOH Calculator

Convert between pH, pOH, [H⁺] and [OH⁻]. Visual scale and pH of everyday substances.

Physics · Thermodynamics

Temperature Converter

Convert Celsius, Fahrenheit, Kelvin, Rankine and Réaumur in real time, with reference temperatures.

Chemistry

Periodic Table

Complete interactive periodic table. Data for each element, electron configuration and charts.

Chemistry

Stoichiometry Calculator

Stoichiometry with step-by-step solutions. Mass, moles and volume at STP with purity and yield.